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
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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
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Accommodations for Space Explorations
Earth and Space
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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.
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Accommodations for Space Explorations
Earth and Space
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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
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