Water Quality and the Murray-Darling Basin student worksheet

Water Quality
and the Murray–Darling Basin
Student worksheet
Answer
1. Identify 6 things that can make a river unhealthy.
i.
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ii.
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iii.
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iv.
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v.
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vi.
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2. Identify 6 aspects of water quality that we can measure.
i.
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ii.
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iii.
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iv.
_______________________________________________________________________
v. ________________________________________________________________________
vi.
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3. How can we test the pH of water?
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4. Why is the dissolved oxygen content of water important?
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Water Quality
and the Murray–Darling Basin
Investigate
Design an investigation to compare the quality of water at two different locations 100m apart from
each other along a river near school. Consider the following things when planning your investigation:
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1.
2.
3.
4.
What is your hypothesis?
How will you control your experiment?
What equipment or materials will you require?
What method will you use?
How many times will you repeat your test?
How will you compile your results?
Research
What are freshwater macroinvertebrates?
Name three different freshwater macroinvertebrate species.
What are three things that humans can do to improve water quality?
In pairs, make a 2½ minute documentary about the history of water quality in the Murray–
Darling Basin. Include the following:
a. What water quality issues or challenges has the Murray–Darling Basin faced?
b. How have these challenges been solved?