7.9a

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

Tags

NGSS.MS-ESS2-4

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

All of the following are ways that the atmosphere makes the existence of life on Earth possible EXCEPT ...

• maintains a constant temperature

• offers protection from radiation

• shields Earth from small collisions

• allows for gas exchange between plants and animals

A person trained to be part of a spacecraft crew.

• Astronaut

• Space suit

• Space walk

• Micrometeoroids

Tags

NGSS.MS-PS2-1

NGSS.MS-ETS1-4

List the steps of the scientific method

d

e

f

c

b

a

Draw conclusions

Analyze results

Conduct experiment

Communicate results

Form a hypothesis

Ask a question

The condition in which people or objects appear to be weightless.

• Gravity

• Space walk

• Mass

• Microgravity

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

• A

• B

• C

• D

Which of the following characteristics of the planet Jupiter most likely makes it impossible for life to exist?

• 1,200 times more volume than earth

• has 63 moons

• average temperature of -145 degrees Celsius

• rotational period of 10 hours

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

Tags

NGSS.MS-LS1-5

What is the most important factor that determines Earth’s temperature?

• Distance to the Moon
  

• Gas composition of the atmosphere

• Proximity to the Sun
  

• Amount of water on the planet

Tags

NGSS.MS-ESS3-5