7.9 A

Earth’s atmosphere contains water vapor and carbon dioxide. These greenhouse gases are important because they -

• are substances animals need to breathe.

• trap thermal energy in the atmosphere.

• 
  protect against magnetic particles.

• create Earth’s gravitational field.

Tags

NGSS.MS-ESS3-5

What design element of an astronaut’s spacesuit protects him or her from micrometeoroids, which are tiny bits of space debris travelling at high speeds?

• large oxygen tank

• powerful jet packs

• small radio communicator

• tough outer shell

Tags

NGSS.MS-ETS1-4

What is the habitable zone?

• A zone with the correct distance away from a star

• A zone in space where water turns into vapor

• A zone where life can not be sustained

• A zone in space where water is frozen

Tags

NGSS.MS-ESS1-1

As our sun increases in age, it also increases in size. What will happen to the habitable zone as time goes on?

• The habitable zone will shrink in size

• The habitable zone will move further away from the sun

• The habitable zone will grow in size

• The habitable zone will move closer to the sun

Tags

NGSS.MS-ESS1-1

In order for life as we know it to exist, a planet must have ______________________

• heat

• animals

• liquid water

• solar energy

Tags

NGSS.MS-ESS2-4

Which helps protect the earth from radiation?

• Water

• Atmosphere

• Mantle

• Gravity

Astronaut beds have straps attached to provide a safe sleeping environment. What condition of space do the straps accommodate?

• Lack of oxygen

• Vacuum of space

• Microgravity environment

• Extreme temperatures

Tags

NGSS.MS-PS2-5

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

• Jet Pack

• Satellite

What makes it hard for an astronaut to breathe in space?

• harsh temperatures

• is an airless vacuum

• heavy equipment

• the air pressure

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

• is airless

• is poisonous

• smells bad

• is humid