1 1 Astronaut spacesuits include an oxygen delivery system
Transcription
1 1 Astronaut spacesuits include an oxygen delivery system
Accommodations for Space Explorations Earth and Space 1 2 Astronaut spacesuits include an oxygen delivery system because - A there is less gravity in space. B space has nitrogen-rich air. C asteroids dissolve in oxygen. D space is an airless vacuum. Which of the following parts of a spacesuit is essential for the survival of astronauts taking short space walks of less than thirty minutes? A Tool belt B Oxygen supply C Freeze-dried food D Magnetic boots 1 Accommodations for Space Explorations Earth and Space 3 4 What accommodations have been designed to protect astronauts from micrometeoroids hitting their spacesuits? A Jet packs B Land rovers C Removable straps D Multilayered spacesuits Astronauts need to exercise while in space because, without gravity, the environment in space - A lacks breathable air, including the oxygen humans need. B makes astronauts consume more calories during their missions. C provides less resistance and weakens muscles and bones. D does not allow the human body to retain heat as well as on Earth. 2 Accommodations for Space Explorations Earth and Space 5 Which of the following helps astronauts move from one area to another inside of a spaceship? A Special handles B Jet packs C Swimming strokes D Conveyor belts 3