Comprehension Quiz on Working in Space

Astronaut spacesuits include an oxygen delivery system because 

• there is less gravity in space. 
• space has nitrogen-rich air. 
• asteroids dissolve in oxygen. 
• 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? 

• Tool belt 
• Oxygen supply
• Freeze-dried food
• Magnetic boots 

A spacesuit includes a helmet, gloves, shoes, and a total body covering. What vital part of the spacesuit that keeps the astronaut alive is missing from this list? 

• A handheld computer 
• A robotic arm 
• An oxygen system 
• A jet pack

What accommodations have been designed to protect astronauts from micrometeoroids hitting their spacesuits? 

• Jet packs 
• Land rovers 
• Removable straps 
• Multilayered spacesuits 

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Astronauts need to exercise while in space because, without gravity, the environment in space - 

• lacks breathable air, including the oxygen humans need. 
• makes astronauts consume more calories during their missions. 
• provides less resistance and weakens muscles and bones. 
• does not allow the human body to retain heat as well as on Earth. 

There is no air in space. Which of the following accommodations is required for an astronaut to directly communicate with another astronaut in space? 

• Computer 
• Radio 
• Satellite 
• Jet pack 

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Which of the following accommodations is designed to overcome the unique difficulties associated with showering in space? 

• A skid-proof floor mat 
• A drain in the floor of the shower 
• A vacuum system to control water movement 
• A bench inside the shower 

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To offset the effects of the low-gravity space environment on the body, astronauts must - 

• exercise regularly. 
• eat high-fat meals. 
• shower twice a day. 
• take naps every day. 

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Astronauts need all of the following to survive in space EXCEPT-

• gravity

• oxygen to breathe

• exercise

• protective clothing

Space stations require an oxygen system because the atmosphere in space -

• is airless

• is poisonous

• smells bad

• is humid