A

Which planet would be the most likely place to observe for life?

• A

• B

• C

• D

Tags

NGSS.MS-LS2-3

Which of the following conditions are absolutely necessary for a planet to support life?

• All must be present for a planet to support life

• I, II, and IV

• II and III

• II, IV, and V

On a space mission, the gravitational environment can negatively affect the bone density of astronauts. Which accommodation will most likely protect the bone health of the crew on a space mission?

• drinking extra fluids

• eating more calories

• wearing protective clothing while inside the space vehicle

• engaging in a daily routine using exercise equipment

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.

List the steps of the scientific method

d

e

f

c

b

a

Form a hypothesis

Conduct experiment

Analyze results

Communicate results

Draw conclusions

Ask a question

Tags

NGSS.MS-PS1-2

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

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.HS-ESS1-1

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