Solar System Quiz 2 Review

What are objects that go around another object called?

• asteroids

• satellites

• revolutions

• objects

What do we call space rocks that are smaller than asteroids?

• asteroids

• meteors

• meteoroids

• comets

What is the hard outer layer of the earth called?

• lithosphere

• hydrosphere

• atmosphere

• groundosphere

How many AUs is the earth from the sun?

• 2

• 1

• 150,000,000

• 8

What is the thin layer of gases that surrounds the earth?

• lithosphere

• hydrosphere

• atmosphere

• airosphere

What does the atmosphere protect us from?

• harmful sunlight

• meteoroids

• temperatures that are too high or low on Earth

• all of these things

How many stars in are in our solar system?

• trillions

• 8

• 1

• Astronomers are not sure

What unit do we use to measure the distances between stars or galaxies?

• astronomical units

• kilometers

• miles

• light-years

Which one is a satellite of the sun?

• moon

• Earth

• other stars

• exoplanets (planets outside of our solar system)

Where is the asteroid belt located?

• between the orbits of Jupiter and Mars

• between the orbits of Mercury and Venus

• between the orbits of Mars and Venus

• between the orbits of Earth and Mars