Insect Intrigue
Transcription
Insect Intrigue
Fish Creek Provincial Park INSECT INTRIGUE A teacher-conducted field study program for Grade 2 students. Fish Creek Environmental Learning Centre Fishcreek.Education@gov.ab.ca www.fish-creek.org i Fish Creek Environmental Learning Centre INSECT INTRIGUE A teacher-conducted field study program for Grade 2 students. This curriculum-connected field study was developed to support the Grade 2 Science Topic E: Small Crawling and Flying Animals and the vision of the Plan For Parks. Developed by: Fish Creek Environmental Learning Centre Fish Creek Provincial Park 13931 Woodpath Road S.W. Calgary, Alberta T2W 5R6 fishcreek.education@gov.ab.ca www.fish-creek.org 2014 Revision Insect Intrigue ii table of contents 1.0 Introduction..................................... 2 6.0 Field Study Activity Guide................. 22 1.1 1.2 1.3 Program Outline........................... 3 Program Objectives and Curriculum Fit.............................. 4 Curriculum Connections............... 5 2.0 Environmental Education Opportunities at Fish Creek Provincial Park ................................. 6 2.1 2.2 2.3 The Fish Creek Environmental Learning Centre........................... 6 Lunch Break Procedures............... 7 Outdoor Lunch Opportunities...... 7 3.0 Planning Your Field Study Day in the Park............... 8 7.0 Lunch Break...................................... 41 8.0 Post Field Study Activity Ideas.......... 42 3.1 Planning Your Itinerary ............... 9 4.0 Class Discussion About the Field Study....................................... 10 5.0 Preparatory Study Activity Ideas.................................... 12 5.1 5.2 5.3 5.4 5.5 5.6 5.7 5.8 6.1 Colours......................................... 22 6.2 Creature Count............................ 23 6.3 Bug Boxes and Pooting................ 25 6.4 Temperature................................ 26 6.5 Lady Beetles................................ 27 6.6 Spiders......................................... 28 6.7 Creature Lasso............................. 30 6.8 Grasshoppers............................... 31 6.9 Under........................................... 32 6.10 Cities in the Soil........................... 33 6.11 Cities in the Trees........................ 35 6.12 Bark Beetle Tunnels.................... 38 6.13 Insects in Water.......................... 39 8.1 8.2 8.3 8.4 8.5 8.6 Student Learning Journals........... 42 Creature Count............................. 42 Creature Comparison................... 42 Temperature................................. 43 Post-Visit Test............................... 43 Important Invertebrates............... 43 9.0 Notes ........................................... 44 Vocabulary................................... 12 Vocabulary Assessment............... 13 Basic Needs................................. 13 Food Chains................................. 14 Classification of Invertebrates............................... 14 Pooter Practise............................ 15 Preparatory and Post-Visit Test.... 15 Student Learning Journals........... 21 10.0 Maps ........................................... 45 Appendices Student Learning Journal iii Fish Creek Environmental Learning Centre 1.0 introduction Welcome to INSECT INTRIGUE, a teacherconducted science program for Grade 2 students. Fish Creek Provincial Park is one of Canada’s largest urban provincial parks, stretching from the western edge of the city to the Bow River. The park has a strong vision within its visitor services program plan to support and foster environmental and cultural education: This is a curriculum-connected, full day field study with multidisciplinary preparatory and post-visit activity support. The intent is to offer a natural world experience for students that reflects the outdoor field study components of Topic E: Small Crawling and Flying Animals from the Grade 2, Alberta Elementary Science Curriculum and the vision of Alberta’s Plan for Parks: The park offers a dynamic Visitor Services Program where participants are able to connect to our rich natural and cultural heritage through a variety of services and resources. This is accomplished through modern facilities, competent staff, up to date resources, environmental education and public programs, research, partnerships and being an active member of the Calgary community and the Province of Alberta. Alberta’s parks inspire people to discover, value, protect, and enjoy the natural world and the benefits it provides for current and future generations. Insect Intrigue 2 1.1program outline Welcome to INSECT INTRIGUE, a teacherconducted program for Grade 2 students. The program focuses on adaptations and interactions of some small crawling and flying creatures common to the Calgary area. To conclude the process there are follow-up activities to be done back at school that are intended to reflect on and apply what the students have learned. There are also checklists for helping to arrange and organize your field study along with some assessment ideas and a student journal to facilitate the experience. The journal has a worksheet to complement each activity. You may choose to have each student complete a journal or work on one journal within each small group. INSECT INTRIGUE is a teacher- and parentled sequential program that consists of three components. First, there are multidisciplinary preparatory activities to be done at the school. We strongly recommend you have the class complete at least some of these activities, or some of your own choosing, prior to the field study. This program was developed by the Environmental Education staff at Fish Creek Provincial Park in consultation with formal and community educators. This is followed by a full-day field study done in the natural world that takes the students through experiential activities focused on invertebrates living in the Park. The activities require the students, working in small groups, to rotate through two ecosystems: white spruce forest and grasslands. Within each area, students first complete an exploration activity designed to help them discover many different creatures. Students then complete activities that focus on specific creatures - their physical appearance, special adaptations and relationships with living and non-living things in their habitat. 3 Fish Creek Environmental Learning Centre 1.2program objectives and curriculum fit This field study program, and the school based preparatory/post-visit activities that complement it, have been designed to address seven specific learner expectations from Topic E: Small Crawling and Flying Animals, (Grade 2) in the Alberta Elementary Science Program of Studies: SLE 6. SLE 1. Identify ways in which animals are considered helpful or harmful to humans and to the environment. Identify and give examples of ways that small animals avoid predators, including camouflage, taking cover in burrows, use of keen senses and flight. SLE 8. Recognize that there are many different kinds of small crawling and flying animals and identify a range of examples that are found locally. This field study program, and the school based preparatory/post activities that complement it, have been designed to address the General Learner Expectation and two Specific Learner expectations from Topic D: Hot and Cold and Temperature (Grade 2) in the Alberta Elementary Science Program of Studies: SLE 2. Compare and contrast small animals found in the local environment, including 3 invertebrates. SLE 3. SLE 1: Recognize that small animals, like humans, have homes where they meet their basic needs of air, food, water, shelter and space; and describe any special characteristics that help the animal survive in its particular home. Describe temperature in relative terms, using expressions such as hotter than, colder than. SLE 2: Measure temperature in degrees Celsius (°C). SLE 4. Identify each animal’s role within the food chain. Identify the animals as plant eaters, animal eaters or decomposers and identify other animals that may use them as a food source. SLE 5. Describe the relationship of these animals to other living and non-living things in their habitat and to people. Insect Intrigue 4 1.3curriculum connections This program is primarily a science-based field study but there are many other curriculum connections with the Grade 2 program of studies. The following is a list of other curriculum areas that are touched upon during the program activities. Communicating SOCIAL STUDIES MATH • • • • • • Values and Attitudes: demonstrate care and concern for the environment (2.1.1) Skills and Processes: o dimensions of thinking o social participation as a democratic practice o research for a deliberative inquiry o communication • • • Exploring • contribute to the development of questions to guide their discussion select and write on topics of personal interest • • Constructing • • • sort objects using one or two attributes collect, display and describe data, independently, based on first hand information construct and label concrete/object graphs, pictographs and bar graphs discuss data and draw and communicate appropriate conclusions PHYSICAL EDUCATION LANGUAGE ARTS • contribute ideas and opinions to a discussion question or respond to others in collaborative learning settings • use a variety of means to record, share and reflect on personal learning experiment with words and sentence structures in their writing classify or categorize information and ideas 5 experience success and enjoyment through participation in outdoor activities understand the use of clothing and footwear appropriate to outdoor activities understand safety principles as they apply to outdoor pursuits cooperatively work in groups Fish Creek Environmental Learning Centre 2.0 environmental education opportunities AT fish creek provincial park Fish Creek Provincial Park provides the ideal outdoor classroom to inspire your students and bring your curriculum to life through active iquiry, investigation and exploration. Programs immerse students in the beauty of the park’s natural and cultural heritage and foster a sense of wonder and curiosity. responsibility to count all equipment and return it at the end of the day. There is a fee charged for lost or broken equipment. 3. Washrooms and water fountains are located in the building. There are no vending machines or coffee available. Hot water urns are available upon request. Please brings cups and make hot drinks in the cups, rather than in the urn. School programs are available for kindergarten, elementary, junior and senior high classes. They are cross-curricular and based on Alberta Education’s Program of Studies. Teachers can tailor programs to meet their class needs and learning goals. 4. A short orientation (about 15 minutes) will be provided to the entire group upon arrival to welcome and introduce everyone to the park, its rules, the program for the day and what the students may discover outside. 2.1fish creek environmental learning centre 5.Parent volunteers will have a separate orientation (about 10 minutes). This will introduce them to the equipment provided, to a map of the activity area (maps provided), to the general flow of the day, and will answer any questions that they may have. The Fish Creek Environmental Learning Centre, located at the west end of the Park off of 37 Street SW, offers five indoor classrooms, an outdoor picnic area and access to an extensive variety of natural ecosystems: an old spruce forest, grasslands, riverine, creek and pond wetlands and disturbed (urban) areas. 6. A washroom and snack break will take place after the group orientation and during the parent volunteer orientation. Please ensure that the students are supervised during this time. The Fish Creek Environmental Learning Centre offers you the following facilities and services: 1. Each teacher will be given a classroom to use as a home base for the day’s activities. 7. There are NO indoor activities available. Please bring your own activities and/ or DVDs when planning for inclement weather. 2. Some equipment for the day’s activities will be available at the Park. It is your Insect Intrigue 6 2.2lunch break procedures 2.3outdoor lunch opportunities Your class may eat inside the facility, within their assigned room. Please ensure that the students understand the following : • Students must be supervised by an adult while they are in the buildng (classrooms and washrooms). • Classes from other schools may be in the facility at the same time. Please respect them and keep noise to a minimum, especially in the washrooms, hallways and other common areas. • • • • There is a picnic area just to the north of the Fish Creek Environmental Learning Centre, about two minutes walk up the trail, with plenty of picnic tables. There are several picnic tables and a fire pit behind the Fish Creek Environmental Learning Centre. This area is available on a first-come, first-served basis. When using the fire pit area be sure to: Help us keep the classrooms clean. There are garbage containers in the brown cabinets by the classroom doors. Recyclable containers go into the brown cabinet labeled “Juice boxes, cans and bottles”. Do the students know what recycling is, how it conserves resources and how it helps the environment? Leftover fruit and vegetable materials, such as banana peels and apple cores, are collected in a white compost bucket in each room. By composting we recycle a large amount of nutients back into a small garden at the east end of the park. • Provide your own roasting sticks and firewood. DO NOT USE BRANCHES OR DEADFALL FROM THE PARK. • Have a bucket of water nearby BEFORE the fire is lit. Check that the fire is out before you leave. • DO NOT FEED OR DISTURB WILDLIFE. • Remind students to clean up the fire pit area of garbage and leftover food. Classroom doors leading out onto the pathways do not automatically close. Please ensure that doors are closed after you enter or exit the building. 7 Fish Creek Environmental Learning Centre 3.0 planning your field study day in the Park teacher instructions and checklist Give every driver – INCLUDING THE BUS DRIVER - a copy of the route map Make sure all drivers know you are coming to the west end of the Park, near Woodbine! PREPARE THE ADULTS • Please follow the recommended ratios as outlined in your school board regulations. Divide your class into working groups. • Review the park rules with the adults (explained on page 10). • Emphasize the following: • Hats, sunscreen, insect repellent • RUNNERS (not sandals). • Dress in layers: the forest can be cool in the morning. • There is nowhere to buy anything anything here, including COFFEE. • The adults’ role is to lead the activities with the same small group of students all day. Photocopy the activity instructions (make extras) and send them to the volunteers several days before the field study so the adults can become familiar with the activities. PREPARE YOURSELF • Read the teacher package thoroughly: phone 297-7926 if you have any questions. • Modify the activities to fit your lesson plans, students’ skill levels and length of time you will be at the ark. • Check student health forms, looking for allergies to bee/wasp stings. • Make the pooters (page 15). PREPARE THE STUDENTS • Review the park rules (explained on page 10). • Discuss the field trip, using the points listed on page 11. Emphasize the following: • Hats, sunscreen, insect repellent • RUNNERS (not sandals). • Dress in layers: the forest can be cool in the morning. • There is nowhere to buy anything here so bring plenty to eat and drink. • Complete some preparatory activities: either the ones in the next section of this package or some of your own. Insect Intrigue BRING • A cheque made payable to the Government of Alberta for $4.00 per student (no charge for adults). Note that credit card payment is also possible in person or over the phone. • Student booklets, pencils, clipboards • A few bandaids with each adult and your first aid kit • pooters (if doing this activity, page 15) • ½ onion per small group (Cities In The Soil, page 33) 8 3.1planning YOUR itinerary for the field study day Please consider travel time from your school to and from the park. If you are planning on modifying your program, select your activities and timetable the day accordingly. Times should always be considered approximate! TIME _______ Depart from school. _______ Arrive at Fish Creek Provincial Park and settle into classroom. Participate in a class orientation meeting and parent volunteer orientation with a park staff person. (30 - 40 minutes) _______ Teacher and volunteer led morning program activities. (about 1.5 hours) Write down the activities you are doing and what equipment and materials you need for each. ACTIVITY EQUIPMENT/MATERIALS _________________ ________________________________________________ _________________ ________________________________________________ _______ Lunch is held either outside, weather permitting, or in your classroom area. (30 minutes) _______ Teacher and volunteer led afternoon program activities. (about 1.5 hours) Write down the activities you are doing and what equipment and materials you need for each. ACTIVITY EQUIPMENT/MATERIALS _________________ ________________________________________________ _________________ ________________________________________________ _______ Groups return to Learning Centre: washroom break, head count, inventory and return equipment borrowed from the Park, gather personal belongings. This should take place at least 15 - 20 minutes prior to the scheduled bus departure. _______ Bus leaves the Learning Centre. (for full-day programs, usually 2pm) _______ Arrive back at school. 9 Fish Creek Environmental Learning Centre 4.0 CLASS DISCUSSION ABOUT THE FIELD STUDY ALBERTA’S PARKS AND PROTECTED AREAS Alberta’s parks and protected areas belong to all Albertans and contain many different natural landscapes that are home to numerous plant and animal species. The province’s network of parks and protected areas covers roughly 27,500 square kilometres and includes more than 500 sites. This network helps to ensure that Alberta’s biodiversity is preserved for future generations. Do not feed or disturb wildlife Feeding wildlife is not necessary and is potentially dangerous. The park’s ecosystems provide all the food and habitat wildlife require for their basic needs. Human food does not meet their nutritional requirements and can cause some species to come to expect handouts. Quietly observe all wildlife from a comfortable distance. Leave only footprints Take only pictures. Everything in the park, living and non-living, is protected to help preserve the complex living systems that thrive in Fish Creek Provincial Park. Students are welcome to share their discoveries but must remember to leave everything as they found it. Treat plants, insects and trees gently to avoid unnecessary injury or damage. Alberta’s Plan For Parks vision: “Alberta’s parks inspire people to discover, value, protect, and enjoy the natural world and the benefits it provides for current and future generations.” Provincial parks exist to protect provincially significant natural, historical and cultural features. They contain a range of outdoor recreation, interpretive and environmental education opportunities, facilities and services so that visitors can explore, learn, understand and appreciate the natural world. Pets on a leash There are no off-leash areas in any of Alberta’s provincial parks. This protects park wildlife as well as domestic pets. Please do not bring pets on the field study. They can be distractions for students and pose a health risk for those allergic to pets. Guide Dogs and Assisted-Living Dogs are the only animals permitted in park buildings. Alberta’s parks are protected by the Alberta Parks Act and it is through this legislation that these landscapes have specific and important guidelines to help keep them healthy and vibrant. Pitch in Litter should be placed in the rubbish bins provided or in a pocket. Human litter is hazardous to park plants and wildlife. The following is a list of rules that reflect the park’s mission to protect and conserve the natural environment. Insect Intrigue Fire in its place Use only designated fire pits. The burning of park vegetation is not permitted. Please bring your own firewood. 10 Pre-Trip Discussion Checklist ___ Discuss how Fish Creek Provincial Park is a wild environment. It is one of 500 parks that are protected as a provincial system of natural environments. Discuss the difference between wild and tame animals and environments (coyotes vs. pet dogs, Fish Creek Provincial Park vs. school yard, etc.) ___ Discuss outdoor safety. Students need to: ___ Discuss the purpose of provincial parks and protected areas. Have the class make a list of ways they can show respect for living things during their visit to the park. Possibilities include: • stay well back from the banks of Fish Creek • leave ant hills, nests and rotting logs alone and intact. They are animal homes. • walk with care and mindfullness. When leaving the trails to complete program activities take care to minimize your impact. • stay where an adult can see them at all times • walk, do not run. • keep feet on the ground: no climbing. • leave dead branches on the ground: they do not make safe walking sticks. • stay well back from the banks of Fish Creek ___ Discuss behavioural expectations. Explain that the field study will be another school day, just at a different place. All the school rules apply. Remember that classes from other schools will probably be there as well. ___ Discuss the appropriate clothing required for the season and the day’s activities. Dress in layers. ___ Discuss the Park rules (page 10). These rules reflect the provincial park’s mandate to protect and preserve our natural environment. 11 Mornings in the shady forest will be cool. Trails may be muddy and wet. Several layers of clothing, including a water resistant layer and a hat or hood will provide the most comfort. Sturdy runners provide more protection than sandals when the students explore offtrail. Warm weather means sunhats, sunscreen and insect repellent will also be required. Fish Creek Environmental Learning Centre 5.0 preparatory field study activities Preparatory activities are essential to the success of your trip! The preparatory activities described here will introduce the field study day to your students and will allow them to practise the skills to be used during the field study day. If possible, invite the parent volunteers into the classroom to also experience these activities. 5.1vocabulary Ensure that your students are familiar with the meaning of the following terms. adaptation - physical characteristic or behaviour, which helps a plant or animal live, successfully where it does. Feel free to use your own activities and the ones described in this package. Within the activities you select and present to your students be sure to: camouflage - body colour or markings that help an animal hide from its predators (enemies). Consider other curriculum areas and explore how all subject areas can be connected to your field study day. decomposer - any plant or animal that gets its energy by feeding on and breaking down dead plants or animals into smaller pieces that will become part of the soil. TIP: Conduct some activities outside in the schoolyard to get the students familiar with outdoor classroom management strategies and thinking of school in an outdoor setting. Your parent volunteers will thank you! habitat - place where a plant or animal naturally grows and lives. interaction - relationship between two or more plants or animals and the effects they have on each other. invertebrate - any animal that does not have a spinal column (backbone). physical characteristic - a quality or feature (thing) on a body. predator - animal that hunts other animals for food. Insect Intrigue 12 5.3basic needs (ESSENTIAL) 5.2 vocabulary assessment Before the students can successfully discover how invertebrates meet their basic needs, the class must know what those basic needs are. Have a class discussion about basic needs. What do humans need to survive? Are the students clear about the difference between needs and wants? Humans need food, water, shelter, space and air. We may want a car or computer but we do not need them to survive. Do the students’ pets need the same things? What do house and garden plants need to survive? Do wild plants and animals also need the same things? Ask the students to each draw a picture as you describe an imaginary animal and special things about it. Use as many of the vocabulary terms as possible. You may use the following example or you may wish to create your own. “This animal is an invertebrate. Its physical characteristics include a soft body with no covering, antenna and many legs. Its habitat is the forest floor and its colouring acts as camouflage. Draw an interaction between our animal and a small plant. Our animal is a decomposer that cannot live in the snow. Please add to your picture something the animal would eat and the behaviour adaptation it may use to avoid winter cold. Its predators are birds. Please add those to your picture.” Pick an animal many of your students are familiar with (e.g. sparrow, squirrel, rabbit) and discuss with your class how this animal meets each of its basic needs. Spend some time in the schoolyard looking for places that offer animals (including invertebrates) opportunities to meet their basic needs. After the students finish drawing and colouring their pictures, collect them from the students and check to ensure that each student has demonstrated an awareness of the correct meaning of each vocabulary term. Review with the students any terms that are still creating difficulties for them. 13 Fish Creek Environmental Learning Centre 5.4food chains (ESSENTIAL) 5.5classification of invertebrates (ESSENTIAL) Explain food chains to the class. Start with the sun as the source of all energy on Earth. Next are the plants. They are the producers, most of them use energy from the sun to make their own food. The plant eaters come next, followed by the animal eaters. Depending on the skill levels of your class, you may wish to introduce the terms primary and secondary consumers, respectively, instead of plant and animal eaters. The decomposers come last as they break down dead material by feeding on it. The small pieces become part of the soil, adding nutrients to help the plants grow (so decomposers could be considered as the first chain!). Discuss how animals are the same or different and how they can be put into groups based on physical characteristics. Start by putting all animals into one of two groups: vertebrates and invertebrates. Then show the students how invertebrates could be broken down into smaller groups. If possible, have pictures of one example from each group. A simple classification might be: Ask the students to select a favourite food and then draw an energy chain for it. Plant products, such as potato chips or apples, will have a shorter chain than meat choices, such as hot dogs or hamburgers. Mollusks - unsegmented, soft-bodied animals with an internal or external shell and a fold (mantle) in the body wall that secretes the chemical to make the shell. Insects - 3 distinct body parts (head, thorax, abdomen), 3 pairs of legs, one pair of antennae and an external skeleton called an exoskeleton. Spiders -2 distinct body parts (head, abdomen) and 4 pairs of legs. Centipedes -at least 15 pairs of legs, one pair per segment of body. Common in decaying wood and leaf litter. Millipedes -2 pairs of legs per body segment, totaling at least 30 pairs. Common under rocks, logs, bark. Sow bugs - Crustacean like crabs and lobsters. Slow-moving, heavily armoured creatures recognized by their many legs and their many-segmented shell of a body. Found under logs, rocks and in other damp places. Feed on decaying plants and animals. All of these animals are invertebrates; they lack a backbone. Fish, amphibians, reptiles, birds and mammals are vertebrates. Insect Intrigue 14 5.6pooter practiSe ***This activity (description on page 25) is optional. To collect an invertebrate, students will put the larger straw end very close to the small creature and put the small straw end into their mouth. Carefully sucking air in will draw the invertebrate up into the pooter. The nylon will stop the animal from going into the students’ mouths. As soon as the invertebrate goes up the thick straw, students quickly put a finger over the straw end and move the straw to a magnifying cube. Removing the finger allows the invertebrate to drop into the container. If it doesn’t come out, students can gently tap the pooter on the container side or GENTLY blow through the straw until the animal does drop out. Invertebrates can be quite small and hard to pick up without damaging them. A pooter is a simple homemade device for collecting invertebrates and placing them into a container for closer study. To make a pooter, you will need: • • • • 1 thick straw 1 thin straw small piece of nylon stocking material approximately 3 cm x 3 cm tape Be sure to put the students’ names on the pooters. Students should NOT share pooters. Have the students practise using their pooters in the classroom, picking up tiny pieces of paper (e.g. from the 3 hole punch tray). If you take the students into the schoolyard to practise with any invertebrates found there, remember the best places to poot are hard surfaces. Avoid letting the students poot on surfaces covered with tiny, loose particles of dirt or rock. Cut both straws in half (you now have enough to make two pooters). Place the nylon over the end of the smaller straw. Slide the thick straw over the nylon and thin straw. Tape the straws together. 5.7preparatory and post-VISIT test Give the students a short quiz before and after the field study to enable you to accurately assess the learning achieved on this field study. Use the following sample quiz or develop one of your own. 15 Fish Creek Environmental Learning Centre INSECT INTRIGUE quiz ____________________________________ ____________________________________ Name Date 1. Circle the animals pictured below that are INVERTEBRATES. a. b. e. c. f. d. g. 2. On the line beside each word print the letter of the description that best explains that word. _____ adaptation a. plant or animal that feeds on and breaks down dead plants or animals. _____ decomposer b. animal that hunts other animals for food. _____ habitat c. physical characteristic or behaviour that helps a plant or animal live where it does. _____ invertebrate d. place where a plant or animal lives. _____ predator e. any animal that does not have a spinal column (backbone). 3. Circle the pictures that show the basic needs of all living things. a. car e. shelter Insect Intrigue b. food c. water f. space 16 d. computer g. air 4. Name an invertebrate that is a plant eater and its habitat. _________________________________ ___________________________________ 5. Name an invertebrate that is an animal eater and its habtitat. _________________________________ ___________________________________ 6. Name an invertebrate that is a decomposer and its habitat. _________________________________ ___________________________________ 7. Draw a line from the invertebrate to the special physical characteristic it has to help it survive in its habitat. a. grasshopper 1. many eyes b. spider 2. strong sense of smell 3. toe pads to help it climb c. ant 8. Draw a grasslands food chain that includes the grasshopper. Start with the sun and end with a decomposer. ___________ ____________ ___________ 17 ___________ ____________ Fish Creek Environmental Learning Centre 9. Listed below are ways invertebrates avoid predators. Name the invertebrate each describes by using the following letters: G = Grasshopper A = Ant L = Lady Beetle Some of the defense methods describe more than 1 invertebrate. _____ sudden, bright flash of colour _____ tastes bad _____ camouflage _____ plays dead _____ hides _____ moves fast _____ stays very still _____ long, high jumps _____ hard shell 10. Ants use non-living material to meet their basic need for ________________________ 11. Grasshoppers and spiders meet their basic need for food by eating which: living or non-living things? ___________________________________ Insect Intrigue 18 Insect Intrigue quiz ANSWERS __________________________________________________________________ Name Date 1. Circle the animals pictured below that are INVERTEBRATES. a, c, d, f 2. On the line beside each word print the letter of the description that best explains that word. __c___ adaptation a. plant or animal that feeds on and breaks down dead plants or animals. __a___ decomposer b. animal that hunts other animals for food. __d___ habitat c. physical characteristic or behaviour that helps a plant or animal live where it does. __e___ invertebrate d. place where a plant or animal lives. __b___ predator e. any animal that does not have a spinal column (backbone). 3. Circle the pictures that show the basic needs of all living things. b, c, e, f, g 4. Name an invertebrate that is a plant eater and its habitat. refer to Creature Count Chart for possible answers _________________________________ ___________________________________ 5. Name an invertebrate that is an animal eater and its habtitat. refer to Creature Count Chart for possible answers _________________________________ ___________________________________ 6. Name an invertebrate that is a decomposer and its habitat. refer to Creature Count Chart for possible answers _________________________________ ___________________________________ 19 Fish Creek Environmental Learning Centre 7. Draw a line from the invertebrate to the special physical characteristic it has to help it survive in its habitat. a. grasshopper 1. many eyes b. spider 2. strong sense of smell c. ant 3. toe pads to help it climb 8. Draw a grasslands food chain that includes the grasshopper. Start with the sun and end with a decomposer. ____________ ____________ __________ ___________ ____________ 9. Listed below are ways invertebrates avoid predators. Name the invertebrate each describes by using the following letters: G = Grasshopper A = Ant L = Lady Beetle Some of the defense methods describe more than 1 invertebrate. __G__ sudden, bright flash of colour __AL_ tastes bad __G__ camouflage __L__ plays dead _GAL_ hides _GAL_ moves fast _GL__ stays very still __G__ long, high jumps __L__ hard shell 10. Ants use non-living material to meet their basic need for _shelter_. 11. Grasshoppers and spiders meet their basic need for food by eating which: living or non-living things? __living things__. Insect Intrigue 20 5.8student journals The student journal is the tool the students, teachers and parent volunteers will use throughout the day to record and reflect on what they are learning through their multidisciplinary exploration of the natural world. NOTE: the Pooting activity (Activity 6.3 - page 25 in teacher manual and page 3 in student journal) is optional. If you are not doing this activity, please omit it from the copies you make for parent volunteers and for your students. Once you have selected the activities you will do for the field study day, create a master copy of the journal by photocopying the appropriate pages from those included at the end of this package. Make one copy per student or one copy per small group. You may also want to make a few extras to replace any that are misplaced. TIP: Introduce and go through the student journal with your class BEFORE the field trip. Read through it with them to help the students understand what will happen during their visit to Fish Creek Provincial Park. 21 Fish Creek Environmental Learning Centre 6.0 field study activity descriptions OVERVIEW OF PROGRAM OUTDOOR ACTIVITIES Introductory Activity: Colours Setting: anywhere along the trails as you first start out Throughout the day, all locations: Temperature, Creature Count, Pooting Activity description: Distribute 1 colour sample card to each pair of students. Ask them to look for these colours in natural objects. Explain that the match does not have to be exact; a close match will be fine. The students are to take the colour card to the object, not the object to the colour card. This will prevent picking and collecting. It will encourage caring for environment. Throughout the day, wherever located: Spiders, Ladybugs Grasslands: Creature Lasso, Grasshopper Gaze Forest: Under, Cities in the Soil, Cities in the Trees, Bark Beetle Tunnels How many colours did the students find in one location? Students may continue their colour search as you move to other activities. 6.1colours: Student Journal page 2 To complete page 2 of the Student Journal, have the students print beside each box the name of a colour from their card and write or draw the object they found that matched that colour. The six squares can be coloured later to match their colour card. Objective: COLOURS is designed to slow the students down and sharpen their observation skills. This will increase their chances of discovering a wide variety of small creatures in later activities. Time: 10 minutes Equipment provided by the Centre: 1 colour sample card per 2 students Equipment provided by the school: student journals, pencils, pencil crayons, clipboards Insect Intrigue 22 6.2creature count: Student Journal pages 6 and 7 Objective: Students will be able to identify animals as plant eaters, animal eaters or decomposers. Students will be able to compare and contrast small animals found in the local environment. Students will be able to identify a range of small crawling and flying animals that are found locally. Each time the students discover a small creature, they compare the creature to those shown on the Creature Count sheet (the page in the middle of their booklets). If the students find their creature on the sheet, the students can fill in the square by drawing a small picture to show that creature’s home. Time: throughout the day Grassy area Forest Water Equipment provided by the Centre: 1 large bug keeper per small group Equipment provided by the school: student journals, pencils, clipboards Setting: anywhere all day Pictures should be small enough to ensure there is room to add another one each time the creature is found. Activity description: CREATURE COUNT is a bingo-like game to be played throughout the day. The objectives are to help the students identify some small, local creatures by their: • physical appearance • homes (habitat) • role within the food chain 23 Fish Creek Environmental Learning Centre As your group is exploring, the students may discover a creature that provoke group debate as to the creature’s identity. Some invertebrates look very similar. Have the students place the creature in the large bugkeeper and take a close look at it. If the creature is listed on the following chart, have the students look for the listed characteristics to determine the creature’s identity. Moths Butterflies · thin, feathery antennae · wings beside the body when resting · usually active at night · less controlled landings on or into objects · club or hooked antennae · wings folded above the back when resting · active during the day · soft, smooth landings on objects · taste with mouth and with their feet! Centipedes Millipedes · rusty orange colour · each body segment has 1 pair of legs · does not really have “100 feet” as name suggests · legs are set off to the sides · antennae have 14 segments · fast moving predator · dark brown colour · each body segment has 2 pairs of legs · does not really have “1000 feet” as name suggests · legs are underneath the body · antennae have 7 segments · slow moving plant eater Dragonflies Damselflies · eyes almost cover the head · at rest, wings are held flat and to the sides horizontally · back wings broader than front wings · thick body · can flap all 4 wings independent of each other: can hover like a helicopter · eyes bulge out the sides · at rest, wings are held upwards and pointing to the rear · both sets of wings are the same · thin body · can flap all 4 wings independent of each other: can hover like a helicopter Craneflies Mosquitoes · do not have a long proboscis: cannot bite · 8 - 65 mm long Insect Intrigue · long, sharp proboscis: bites · usually less than 6 mm long 24 6.3 BUG BOXES AND Pooting: ***This activity is Optional Student Journal page 3 Objective: Students will identify a range of small crawling and flying animals found locally and compare and contrast them. 3. Put the smaller straw in own mouth. Time: throughout the day 5. Put a finger over the pooter’s large end after the creature is in the pooter. 4. Suck in air and “vacuum” up the creature. Equipment provided by the Centre: 1 micro box per student 6. Open the magnifying box, remove the finger and drop the creature into the box. May need to gently tap the pooter to have the creature drop out. Equipment provided by the school: student journals, pencils, clipboards, pooters (see page 15 for instructions) 7. Put the lid on the box and examine the creature, especially physical characteristics such as colour, number of body parts, legs, wings, antennae, etc. Setting: all day anywhere there is a hard surface 8. RELEASE THE CREATURE WHERE IT WAS FOUND. Activity description: POOTING is a special activity that enables students to collect and examine small creatures without harming them. To complete page 3 of the Student Journal, students can draw and colour, as accurately as possible, the creatures they pooted. Where to poot: NOTE: If you are not supplying pooters, students can still collect insects in their micro boxes. Demonstrate how to treat the creatures very gently so none are injured in the collection process. Best places to poot are hard surfaces such as tree trunks, fallen logs, rocks, benches, sign posts and paved paths. Avoid pooting on surfaces covered with tiny, loose particles of dirt. How to poot: 1. Find a small creature. 2. Put the larger straw end of the pooter very close to the creature. 25 Fish Creek Environmental Learning Centre 6.4TEMPERATURE Objective: Students will be able to measure temperature in degrees Celsius (°C). Students will practise forming ideas as predictions, collecting data through direct observation, following simple procedures and explaining results. Time: 5 minutes - at the beginning of each of the other following activities Equipment provided by the Centre: 1 thermometer per small group Equipment provided by the school: student journals, pencils, clipboards Setting: at each stop Activity description: 1. Turn to the Journal page for that activity: the page number is listed under each activity title. Guess as to whether the location they are in feels warmer or cooler than the last location. Have them record their answer in the space provided on the journal page. Insect Intrigue Measure the air temperature at waist level and ground level. (Be sure they leave the thermometer in place for at least two minutes at each level to get an accurate reading). Have them record those temperatures on the journal page in the space provided. 4. Predict, based on the temperatures, whether the invertebrates will be moving slowly or quickly. Have the students circle their prediction on the journal page. When they have finished the activity, have the students draw a box around the phrase that best describes the actual level of insect activity the students observed. Continue with the described activity. Each time your group stops to complete one of the activities complete this task. Each student in the group should have a turn at holding the thermometer and reading the measurements. The entire group will record the results. 2. 3. 26 6.5 LADY BeetleS: Student Journal page 4 Objective: Students will be able to identify the animal as plant eater, animal eater or decomposer, identify its predators, identify ways the animal avoids its predators, describe its relationship with other living and non-living things in the habitat and explain how it meets its basic needs. Next, have the children look carefully at the physical appearance of the lady beetle: body, legs and antennae. Is the lady beetle an insect? (Yes, it has 3 body parts, 6 legs and a pair of antennae - identifying characteristics of an insect). Next have the students look carefully at the lady beetle’s back. The hardened front wings (elytra) fold over the lady beetle’s back and meet in a straight line down the middle of the insect’s back, protecting the second pair of wings, which are very thin. This is one of the physical characteristics that means lady beetles are actually beetles. In contrast, the front wings of true bugs are thick and leathery at the base and thin membranes near the tip. Time: 15 minutes Equipment provided by the Centre: 1 large bugkeeper per small group 1 magnifying glass per small group Equipment provided by the school: student journals, pencils, clipboards Setting: anywhere the group finds a ladybug Activity description: Move your students to an area where there are many dead leaves on the ground. Complete the 4 steps of the Temperature activity. Gently move the dead leaves, using a stick. When your group finds a lady beetle, put it into the large bugkeeper and work through the following with the students. Lady beetles have four ways to protect themselves from the birds and lacewing larvae (another insect) that try to eat them. If running or flying do not work, the lady beetle will fold up its legs and play dead. GENTLY touch the lady beetle so the students can watch it try this defense technique. Is there any amber coloured fluid in the bugkeeper? The lady beetle secreted this bad tasting fluid from its leg joints. Birds may catch the lady beetle but won’t eat it because of this taste. Have the students count the spots on the back and note the main colour of the lady beetle. This will enable the children to identify the lady beetle when they return to the Centre. NOTE: The spots do NOT indicate age or weather! Continued on next page... 27 Fish Creek Environmental Learning Centre Lady beetles have four complete stages in their life cycle. They start as tiny oval yellow eggs laid in clumps on the underside of leaves. They hatch into black and orange larvae that feed on aphids and mites until they turn into pupae. The adult lady beetles also eat aphids and mites. 6.6Spiders: Student Journal page 5 Objective: Students will be able to identify the animal as plant eater, animal eater or decomposer, identify its predators, identify ways the animal avoids its predators, describe its relationship with other living and non-living things in the habitat and explain how it meets its basic needs. Time: 15 minutes Equipment provided by the Centre: 1 large bugkeeper per small grouip 1 magnifying glass per small group Equipment provided by the school: student journals, pencils, clipboards Setting: anywhere the group finds a spider The adults will hibernate through the winter, finding shelter and protection under dead leaves or cracks in tree trunks and stumps. Activity description: When the group sees a spider Have the students gently catch a spider and carefully place it into the bugkeeper. Complete the 4 steps of the Temperature activity. Ask the students sit down close together, pass around the bug keeper and magnifying glass. Ask the students to slide the thermometer into a pile of dead leaves and leave it there for several minutes before pulling it out and recording the temperature. Depending on the weather, there may not be much difference between the air temperatures and the temperature beneath the leaves but the insulating value of the dead leaves will help the adult ladybugs survive winter’s cold temperatures. Can the students see any of the following physical characteristics that define a spider as an arachnid, not an insect? • 2 body parts: the front has the eyes and legs, the second the internal organs and glands • 4 pairs of jointed legs: each leg has 7 segments • most species have 8 eyes (some have more) because spiders cannot move their head or the eyes. Some eyes look forward, some back and some sideways! To complete page 4 of the Student Journal, have the students number the pictures to show the correct order of stages in the lady beetle’s life cycle. They can add markings to the lady beetle picture to make it match the lady beetle they found. Insect Intrigue 28 Wolf Spider: about 40 different species in Alberta Have the groups look closely at the spider and the area it was found. When your group is finished observing the spider, have the students release it where they found it. Appearance: • up to 35 mm in length • 8 eyes, uneven in size, arranged in 3 rows • long legs have claws at the ends • brown or gray colours help them blend with the ground Behaviour: • most species live on the ground and hunt at night • most of the species of wolf spiders do not spin webs • some dig burrows in the ground and under rocks • female carries the egg sac around: spiderlings ride on mother’s back Is it one of the following common spiders found in the Calgary area? Crab spider: about 30 species of crab spiders in Alberta Appearance: • very small (1.5 to 10 mm) • 8 small eyes: 4 in each of 2 rows that curve towards the back • second pair of legs heavier and longer than the others Behaviour: • sits in flowers and waits for insects to come: does not spin webs • can move forward, backward and sideways quickly to catch prey or avoid predators • its colour helps it hide from predators when the spider is on a flower (camouflage) All spiders are animal eaters (predators). They have jaws that end in fangs. Venom is produced in glands and empties into the fangs. The venom paralyzes or kills the spider’s prey. Venom produced by spiders living in the Calgary area is NOT harmful to humans. Orb Weaver Spider: about 25 different species in Alberta Predators of spiders include mice, shrews, other spiders, birds and spider wasps. Appearance: • up to 11 mm in length • 4 eyes in each of the 2 horizontal rows Behaviour: • spins webs to catch insects: some species make a new web every night • spider hides from predators until a quiver of the web lets it know an insect has been caught continued on next page... 29 Fish Creek Environmental Learning Centre When the group sees a spider web Activity description: Activity description: In a natural grassy area, drop the lasso onto the ground. Complete the 4 steps of the Temperature activity. Have the students gather around the rope circle to examine the area within the lasso. They should be looking for small crawling and flying creatures at these levels: Have the students look carefully at the shape of the web. Different species of spiders make different shapes webs. Challenge the students to find the spider that spun the web. Remind them that the spider may be small, probably coloured to blend with the plants so it will avoid predators, and perhaps hiding under a leaf. If the students do not find the spider, you can try GENTLY touching the web. The spider may feel the vibration and come scurrying out, expecting to find its next snack caught in the web. 1. Sit for a few minutes watch for creatures flying by. 2. Look at the tops of all the plants, especially under leaves. 3. Move down, examining the entire length of the plant. 4. Check the ground by gently moving the plant stems to one side. To complete page 5 of the Student Journal, have the students draw either the spider or the web that they found and list 3 words to describe it. Have the students look closely at each creature they find. • • • • • • • 6.7 CREATURE LASSO: Student Journal page 8 To complete page 8 of the Student Journal, have the students draw the creatures they found within their lasso. Objective: Students will recognize that small animals, like humans, have homes where they meet their basic needs of air, food, water, shelter and space. Time: 20 minutes Equipment provided by the Centre: 1 rope lasso (circle) per small group Equipment provided by the school: student journals, pencils, clipboards Setting: natural grasslands Insect Intrigue shape colour legs - how many? wings - can you see through them? antennae - smooth or hairy? how does it move? what is it doing? 30 Many animals eat grasshoppers. Predators include: • birds • snakes • rodents, like mice, shrews, voles, ground squirrels, etc. 6.8 GRASSHOPPERS: Student Journal page 9 Objective: Students will be able to identify the animal as plant eater, animal eater or decomposer, identify its predators, identify ways the animal avoids its predators, describe its relationship with other living and non-living things in the habitat and explain how it meets its basic needs. Thinking carefully and closely observing the grasshopper, can the students explain some ways the grasshoppers avoid predators? Share the following information with the students. Time: 20 minutes Appearance • most grasshoppers hide well because they are the same colour as the surrounding plants (camouflage). • some grasshoppers show a sudden flash of colour on their wings as they jump. This surprises the predators, making them lose both their concentration and their meal. (Some grasshoppers found in the Park show a reddish-orange colour when they jump. These colour patches are concealed when the grasshopper is sitting still. Did the students see any of these grasshoppers?) Equipment provided by the Centre: 1 bugkeeper per small group 1 magnifying glass per small group Equipment provided by the school: student journals, pencils, clipboards Setting: grasslands Activity description: GRASSHOPPERS activity is to be completed in a natural grassy area. Complete the 4 steps of the Temperature activity. Carefully catch and place the grasshopper into the bug keeper. Ask the students to sit down close together, pass around the bugkeeper and magnifying glass. Behaviour • staying very still, relying on their camouflage colouration • sudden, long, high jumps • biting small predators with their notched jaws • some species when caught, spit up a brown liquid, which is bitter, stinging and smells unpleasant Can the students see any of the following special characteristics that help the grasshopper live in the grasslands? • toe pads, between and in front of the claws, that help the grasshopper climb up plant stems • notched jaws for biting plant leaves and stems • strong, circular-moving wings to fly long distances to find food • long powerful hind legs to hop over the vegetation 31 Fish Creek Environmental Learning Centre Have the students locate movable natural objects on the ground in the forest. Examples include small branches/logs, pieces of bark, rocks, piles of dead leaves (use a stick to move these). Complete the 4 steps of the Temperature activity. To complete page 9 of the Student Journal, have the students add the physical features of their grasshopper (wings, legs and antennae) and colour it. The students can then fill in the illustrated food chain. The first space should be filled with a plant; the second by a grasshopper and the third by a predator of the grasshoppers. The arrows represent energy moving from the sun through the food chain. Ask everyone to sit or crouch down around one object on the ground, then carefully lift it up and move it away. Are there any creatures? Students may use the magnifying glass to examine the insects, millipedes, centipedes, earthworms, slugs or spiders they find. 6.9UNDER: Student Journal page 10 Discuss physical appearance (colour, shape, number of legs if any, etc.) and behaviour (feeding, resting, trying to escape by running or curling up). Look under several different objects for a variety of creatures. Remember to check the Creature Count journal page to see if any of the things found “under” are pictured on that page. Objective: Students will recognize that small animals have homes where they meet their basic needs of air, food, water, shelter and space. Time: 20 minutes Equipment provided by the Centre: 1 magnifying glass per small group When you are finished examining each location, remember to GENTLY RETURN THE NATURAL OBJECT to its original location. The creatures need the “roof” on their “home”. Equipment provided by the school: student journals, pencils, clipboards Setting: forest To complete page 10 of the Student Journal, students can draw the natural objects they moved and the creatures they discovered under each one. Activity description: UNDER is a exploration of an often overlooked small creature habitat. Many living organisms seek food, moisture and shelter underneath objects lying on the forest floor. Insect Intrigue 32 These mounds are loosely constructed so they will drain quickly after rain and are connected by passageways to the main part of the nest, which reaches far into the earth. 6.10 Cities in the Soil: Student Journal page 11 Objective: Students will be able to identify the animal as plant eater, animal eater or decomposer, describe its relationship with non-living things in the habitat and explain how it meets its basic needs (shelter, locating food). Early in the morning, worker ants carry the colony’s developing eggs and larvae up into these mounds, whose slanting walls are heated by the sun. All day long, as the sun moves across the sky, workers shuttle the brood from one part of the mound to another. In the evening, they retire with the brood to their underground chambers, where heat has accumulated during the day, blocking all entrances to those chambers to keep out the cool night air. The next morning they open the entrances again and transport the eggs and larvae back to their sun-warmed nursery. Time: 20 minutes Equipment provided by the Centre: none Equipment provided by the school: student journals, pencils, clipboards, 1/2 onion per group Setting: forest Activity description: CITIES IN THE SOIL is a close examination of an anthill found in the spruce forest. Students will have no difficulty locating an anthill as they are very large. Heights of 30 45 cm are not uncommon. Background Information: Most ants live underground. The familiar anthills built by many kinds of garden and meadow ants are composed of soil the insects have excavated and are actually extensions of their underground dwellings. Beneath an ant hill, the ground is usually riddled with dark twisting passageways and chambers, which may extend for several metres in every direction. An entirely different kind of anthill is built by some forest-dwelling ants. Instead of using soil thrown out of the nest, they build domeshaped mounds on the forest floor by piling up spruce needles, twigs and other debris. Activity instructions on next page... 33 Fish Creek Environmental Learning Centre Activity Instructions: 1. Locate an anthill and complete the steps of the Temperature activity. 2. Have the students each find their own special ant and follow it. Block the ant’s trail (with a small object or twig). What does the ant do? Where does it go? (If they lose their ant, find another one and follow it). Use caution, don’t disturb the ants too much with big rocks or sticks. Observe their body structures and watch them communicate with their antennae. 5. Move your group away from the anthill to a nearby area with many trees. Ask the students to close their eyes: no peeking! Rub half an onion on the bark (at the children’s nose level) of 5 or 6 trees that are fairly close together. Put the onion at the end of the trail and tell the children that they will use their sense smell to find the food - just like the ants do! Can they follow the onion odour trail? 3. “What happens when an ant smells food?” Explain that when an ant gets excited (from smelling food or when it senses a predator) it gives off a chemical (formic acid). The other ants can smell it and they follow the chemical trail to the food or predator. After your group has completed the odour trail activity, return to the anthill. Shake the ants off your pencil and quickly pass the pencil around so all the students can smell it. They will notice the vinegar-like odour of formic acid. Explain that this is the smell of the chemical that ants use to lay a trail. 4. “Can you smell the chemical trail?” Try this experiment. Roll a pencil between your palms so some of your scent and palm perspiration goes onto the pencil. Place it on the side of the anthill. Allow the ants to crawl on it. The smell of your perspiration will get them excited. Insect Intrigue Leave the pencil on the anthill while you make an odour trail for the children to follow, reinforcing the concept of ants following an odour trail to find food. To complete page 11 of the Student Journal, have the students draw their special ant and the trail it made AND/OR the eggs and larvae seen on top of the hill. 34 6.11 Cities in the TREES: Student Journal page 11 Background Information: Carpenter ants are Alberta’s largest species of ants. They are usually black but may have reddish tints as well. They range in size from 12 mm to 20 mm, depending on whether the ant is a “minor” or “major” worker or a “queen”. A colony matures about 3 to 6 years after it is started. Then, winged reproductive ants are produced. They leave the colony and mate in flight. The males then die and the females start new colonies in moist or partially decayed wood. Following the grain of the wood, they cut galleries in the soft wood, leaving the hard wood as walls. Shredded wood is deposited outside. Objective: Students will be able to identify the animal as plant eater, animal eater or decomposer, describe its relationship with living and non-living things in the habitat and explain how it meets its basic needs (shelter, locating food). Time: 15 minutes Equipment provided by the Park: 1 large magnifying glass per small group 1 rope lasso (circle) per small group Equipment provided by the school: none Setting: tree stumps or trees with large holes at the bottom The female lays about 20 eggs, which take about two months to develop from egg to larva to pupa and then into workers. The queen feeds this first generation with fluids from her body. Following generations are fed by the workers while the queen continues to lay eggs. Carpenter ants are omnivores: they eat both plant and animal foods. Their diet includes: honeydew from aphids, plant juices, fruit such as berries, and small insects and other small invertebrates. Activity description: CITIES IN THE TREES is a close examination of carpenter ant galleries found in decaying tree trunks and an exploration of the surrounding area. Students are unlikely to see the carpenter ants as they are most active at night. However, students will learn how the ants meet their needs for food and shelter and will discover why this species is so important in a healthy forest ecosystem. NOTE: termites DO NOT live in Alberta. Activity attributed to them is actually the work of carpenter ants. 35 Fish Creek Environmental Learning Centre Activity Instructions: 2. Ant Dinner Menu Move your group to one of the carpenter ant galleries. Complete the 4 steps of the Temperature activity. 1. Ant Architects Ask the students to look at the site the ants have chosen: Is this tree living or dead? Tell the students that carpenter ants often used dead wood for their nest but sometimes may use trees that are still alive, because the living layer of a tree is on the outside whereas the inner mass is dead tissue (wood). Ask the students to find the ants’ tunnels, chambers and holes. These holes provide openings that allow the ants to move freely among the different chambers and tunnels. Direct the students’ attention to any of the piles of sawdust. Let them look at the fine grains with a magnifying glass as they imagine how many thousands of trips the ants made to carry the small bits of wood out of the galleries. The ants keep their galleries very clean. The sawdust pile may also contain bits left from food the ants were eating. Point out that the ants do not eat wood: they only build their homes there. Show the students the pictures below. Explain that these are some of the things carpenter ants might eat. Give the students 5 minutes to look around the area of the nest. Can they find any of the things pictured? Carpenter ants will move up to 100 metres (the width of about 6 standard Calgary home lots) away from the nest searching for food. plants scale insects beetles flies spiders berries caterpillars Insect Intrigue 36 3. Ant Senses 4. Ant Predators Select one ant food item the students found. Untie your rope circle and have the students lay the rope on the ground between an ant food item and the ant nest. Ask the students to crouch down and follow the rope as they imagine they are ants moving from the nest to the food source. What obstacles must they move over or around as a small ant? What senses might they use to help them? When the students have completed this, share the following information with them. “The ants use their senses to locate their food and to find their way back to the nest. Smell: the ants leave a chemical trail as they move. Their strong sense of smell allows them to find and follow these trails. Touch: ants will use familiar grooves, edges and lines to help them find their way around their territory. Sight: ants use landmarks such as trees and bushes to figure out where they are. Foraging at night is helped by the position of the moon.” Have the students look at the large, deep holes drilled into the wood of fallen logs and at the bottom of large trees in the area. What do the students think make the holes? (Woodpeckers! Specifically the Pileated Woodpecker, which is Alberta’s largest woodpecker.) How do the students think the woodpecker can find the ants when they are hidden inside the wood? (By searching for food mostly at night, the carpenter ants can avoid being eaten by birds that use their sense of sight to locate food. However, the Pileated Woodpecker uses its sense of hearing to locate the ants moving around inside their nest during the day.) 5. Complete this activity by reviewing with the students the value of carpenter ants in a healthy forest ecosystem: • They eat other insects that might damage the trees. • Building nests in decaying wood helps it break down faster into something other plants and animals can use for shelter. The decomposing wood also adds minerals and organic material to the soil, something growing plants need. • Carpenter ants are an important source of food, especially in winter, for the pileated woodpeckers. To complete page 11 of the Student Journal, have the students add to the tree trunk features that they saw e.g. galleries, tunnels, woodpecker holes (round or almost rectangular), sawdust, etc. 37 Fish Creek Environmental Learning Centre 6.12 Bark Beetle Tunnels: Student Journal page 12 Objective: Students will be able to identify the animal as plant eater, animal eater or decomposer, identify its predators, identify ways the animal avoids its predators, describe its relationship with other living and non-living things in the habitat and explain how it meets its basic needs. Students will recognize and then record, using art, that natural forms can have texture and make patterns. Share the following information with the students: These tunnels were created by bark beetles, a favourite food of woodpeckers • The female bark beetle bores a hole through the bark and digs an egg tunnel in the wood. She deposits her eggs in the little rooms she creates off the main tunnel • When the eggs hatch into larvae (the wormlike stage of an insect’s life cycle), they eat their way through the wood, with the tunnels becoming wider as the larvae grow. • Each larva creates its own chamber where it will pupate, emerge as an adult bark beetle and then bore a hole through the bark to fly away • When the bark comes off the tree because of woodpeckers feeding or because the tree dies, we are able to see what was happening under the bark Time: 15 minutes Equipment provided by the Centre: none Equipment provided by the school: Student journals, pencils, clipboards Setting: forest Activity description: Find a tree trunk – upright or fallen – that has bark beetle tunnels on it. (See picture below). Complete the 4 steps of the Temperature activity. Ask the students to examine the intricate design of the bark beetle tunnels in the wood of a fallen log. Encourage the students to feel the pattern as well as look at it. Insect Intrigue To complete page 12 of the Student Journal, have the students take home a copy of nature’s “artwork”. Have the students, one at a time, place their Journal, turned to page 12, on top of the tunnels. Firmly holding the paper in place, the student should then rub the SIDE of their pencil lead back and forth across the paper. The pattern of the tunnels will appear on the paper. 38 6.13 INSECTS IN WATER: ***This activity is Optional Put some water in the large bug keeper. Gently capture some of the insects using the plastic strainer and put them into the water-filled the bug keeper for temporary observation. Objective: Students will be able to identify animals as plant eaters, animal eaters or decomposers. Students will be able to compare and contrast small animals found in the local environment. Students will be able to identify a range of small crawling and flying animals that are found locally. Watch the insects for a while. Note what they look like, their size and how they move. As your group is exploring, the students may discover some creatures that provoke group debate as to the creature’s identity. Some invertebrates look very similar. If the creature is listed on the following page, have the students look for the listed characteristics to determine the creature’s identity. If the ctreature is not shown on the next page, have the students draw a sketch and write down a description so that park staff can help with identification back at the learning centre. Time: 15 minutes Equipment provided by the Centre: 1 large bug keeper per small group 1 small plastic strainer per small group Equipment provided by the school: Student journals, pencils, clipboards Setting: boardwalk along the orange trail NOTE: This is an optional activity for times when there is temporary water under the boardwalk in the spring. Before your visit, confirm with park staff about water levels and the feasibility of this activity. Some insects start their lives in the water as larvae and then mature into adults which fly in the air (for example, mosquitoes). How do the water creatures differ from the insects that the students find on land? How do they move? How do they breathe? Are they camouflaged to blend in with their surroundings? Activity description: Spend some time looking into the water for insects. These creatures can be very small so you’ll need patience! For a close, look lie down on the boardwalk and look over the edge. Be careful to secure pencils, magnifiers and other pieces of equipment beforehand so they don’t fall in! When you’re done observing, carefully return the creatures to their water home under the boardwalk. Gently tip the bug keeper and allow the animals to swim away. 39 Fish Creek Environmental Learning Centre Aquatic creatures you may find in the temporary wetland under the orange trail boardwalk Fairy Shrimp Caddisfly Larva · · · · use legs to swim, breathe and feed eat algae, bacteria & microscopic animals eaten by small fish & carnivorous insects short-lived, complete their life cycle in only a few weeks · females produce two types of eggs: thin-shelled egs that hatch immediately, and thick- shelled “resting” eggs called cysts. · cysts lie dormant in dried mud and can survive for over 10 years until the next rainstorm fills the wetland. · build and live in cases covered with small sticks or stones; head and legs stick out, making them look like moving sticks; · crawl along the bottom, dragging cases behind them · retreat into cases when danger threatens · as larvae grow, cases are made larger · eat algae, plants, larvae, worms and crustaceans larva out of case · eaten by fish (case and all) and predacious example of larva case diving beetles actual size: 10 - 17 mm actual size: up to 50 mm Phantom Midge Larva Daphnia or Water Flea · eat underwater debris, algae, plants, and actual size: 2 - 30 mm fungal spores · are eaten by other aquatic invertebrates and by small fish · crawl or wriggle, bring their front and back ends together and then snap them apart. · midge adults are often mistaken for adult mosquitoes · are crustaceans and not insects · feed on algae, microscopic animals and organic debris · eaten by small fish and carnivorous insects actual size: 0.2 - 3 mm · swim with jerky movements using an enlarged pair of antennae to propel themselves Mosquito Larva Mosquito Pupa · hang upsidedown from the water surface, but swim to the bottom if threatened · breathe through a tube (like actual size: 3 - 5 mm a snorkel) at the rear · called “wrigglers” since they constantly curl/uncurl/wriggle when they moves · eat underwater debris, algae, plants and fungal spores · are eaten by fish and pradatory insects like dragonflies Insect Intrigue 40 · found just below the water surface; swim to the bottom when threatened · called “tumblers” since actual size: 3 - 5 mm they appear to tumble through the water · pupae do not eat · eaten by fish and pradatory insects like dragonflies 7.0 LUNCH BREAK 1. The lunch break is an opportune time for students to release some energy through active outdoor games. LADY BEETLES for groups of 15 - 20 students In nature, when population exceeds food supply, starvation occurs. This game illustrates how part of a simple food chain works and illustrates the balance required to maintain several species. When you give the signal to begin - live action begins. Aphids cling to a tree. Once a lady beetle eats an aphid it becomes part of the lady beetle (one child attached to another around the waist). The lady beetle continues to hunt for food but also must beware of the sparrows. A lady beetle is safe if it and the eaten aphids are sitting on the ground for 10 seconds maximum. Once a sparrow has tagged the lady beetles they all become part of the sparrow. Continue playing until the sparrows are fed and reverse roles. Though we may consider many insects ugly or irritating, they are a vital link in many food chains. Some discussion questions: • “What would have happened if there were more lady beetles than aphids?” • “What if there were more sparrows than lady beetles?” • “Why is it important for aphids, lady beetles and sparrows to exist?” Make a lady beetle world by forming a large circle. Discuss the type of life found in the lady beetle world: its home (trees), food (aphids), and predators (birds, especially sparrows). Organize the students into the following groups: • 3-4 children can be lady beetle treesstand in centre of circle. • 6-8 children become aphids (they eat the leaves on the trees). • 4-6 children become lady beetles (tuck hands under their arms). • 2 children are sparrows (hands outstretched for wings). Establish area boundaries and the players must stay within their world. 41 Fish Creek Environmental Learning Centre 8.0 Post Field Study Activity Ideas 8.1student learning journals • each student uses only his/her data or 1. Students may need class time to go through the journal and ensure each page has been completed as thoroughly as possible. • compile the data for the entire class and then each student completes a graph • graph the approximate number of each creature 2. Review with students the invertebrate groupings described in the Preparatory Activities section of this program package (page 12). Have the students go through their journal and label each creature according to its group; using either a letter or the complete word. or eg. I - insects Sp - spider Mo - mollusk C - centipede M - millipede S - sowbug 8.3 creature comparison Select two invertebrates that most students found. Have the class compare and contrast these two invertebrates: where they live, how they move, how they meet their basic needs, how they escape predators, etc. 8.2creature count 1. Review the results of the Creature Count. Were there any creatures that no one found? Where do the students think those ones live? Why do they think none were seen? 2. Have the students complete a bar graph or pictograph of the results from their Creature Count. Possible methods include: Insect Intrigue • graph the number of creature species found in each of the 3 ecosystems. 42 8.6important invertebrates 8.4TEMPERATURE Collate each group’s temperature data. 1. Through class discussion compile a list of the many different ways invertebrates affect the environment and people. Some possible answers are: Discuss: • Predictions: how accurate were the groups? Were they correct in predicting which would be the warmer places? • pollinate plants (including crops that are important food sources for people) • Were there significant differences in temperatures measured at waist level and ground level? (This will depend in part on the previous overnight low) • food source for many other animals • assist with decomposition of dead plants and animals • Was there a correlation between the level of insect activity and the measured temperatures? Do the students know why invertebrates are less active when the temperature is low? • as scavengers they “clean-up” the environment • provide honey and silk for people • are enjoyable to hear and watch • Where were most invertebrates found when the temperature was low? Can the students figure out that hiding is a method of defense when the invertebrates are unable to move fast to escape predators? • can carry germs and diseases • destroy crops and other plants • cause discomfort due to bites 2. Insects have a vital role in the environment. Human efforts to eradicate them can have far-reaching effects. Review the concepts of food chains and introduce food pyramids. A picture of each invertebrate will assist the students’ comprehension of each idea. 8.5 POST-VISIT TEST Re-administer the preparatory test as a postvisit test and compare the results to assess the learning achieved on the field study. 43 Fish Creek Environmental Learning Centre 9.0 NOTES Insect Intrigue 44 45 Fish Creek Environmental Learning Centre Insect Intrigue 403-297-7827 403-297-7850 Environmental Learning Centre Learning Naturally Coordinator 46 BARK BEETLE TUNNELS Firmly holding the paper in place over the bark beetle tunnels on the log, rub the SIDE of your pencil lead back and forth across the paper. TEMPERATURE: Cooler or waist level: ________oC Invertebrates: Warmer ground level: ________oC moving slowly 12 Insect Intrigue Insect Intrigue moving quickly Name: ____________________________ COLOURS Name each colour from your colour card. Beside the box, draw the object that was that colour. Colour the boxes later. CITIES IN THE TREES Draw the animals you found on the tree. CITIES IN THE SOIL Draw your special ant and the trail it made. Add any eggs or larvae you saw on the anthill. TEMPERATURE: Cooler or waist level: ________oC Invertebrates: 2 Insect Intrigue Warmer ground level: ________oC moving slowly 11 moving quickly UNDER BUG BOXES AND POOTING Draw the natural objects you moved and the creatures you discovered under each one. Draw and colour the insects you collected in your bug box or by using your pooter. TEMPERATURE: Cooler or waist level: ________oC Invertebrates: ground level: ________oC moving slowly 10 Insect Intrigue TEMPERATURE: Warmer moving quickly Cooler or waist level: ________oC Invertebrates: Warmer ground level: ________oC moving slowly 3 moving quickly LADY BEETLES GRASSHOPPER GAZE Number the pictures to show the correct order of stages in the lady beetle's lifecycle. Add wings, legs and antenna to the grasshopper and colour it. Draw the lady beetle you found. TEMPERATURE: Cooler or waist level: ________oC Invertebrates: 4 Insect Intrigue TEMPERATURE: Warmer ground level: ________oC moving slowly Complete the food chain by adding a plant, a grasshopper and a predator of the grasshopper. moving quickly Cooler or waist level: ________oC Invertebrates: Warmer ground level: ________oC moving slowly 9 moving quickly SPIDERS CREATURE LASSO Draw the creatures you found within your lasso. TEMPERATURE: Cooler or waist level: ________oC Invertebrates: TEMPERATURE: ground level: ________oC moving slowly 8 Insect Intrigue Warmer Draw either the spider or the web that you found and list 3 words to describe it. moving quickly Cooler or waist level: ________oC Invertebrates: Warmer ground level: ________oC moving slowly 5 moving quickly Insect Intrigue 6 7 Water Strider Bark Beetle Lady Beetle Dragonfly Snail Spider Ground Beetle Bumblebee forest Animal Eaters Butterfly Grasshopper Plant Eaters grasslands Creature Count Cranefly Slug Fly Centipede Earthworm Decomposers water