Solar System Test Review

What is a galaxy made up of?

• Only stars

• Gas, dust, and many stars

• Only gas and dust

• Only planets

What is the name of our home galaxy?

• Andromeda

• Milky Way

• Whirlpool

• Sombrero

Which of the following is a characteristic of all planets?

• They all have rings

• They all orbit a star

• They all have moons

• They all have water

Which of the following is an inner planet?

• Jupiter

• Saturn

• Earth

• Neptune

Which of the following is an outer planet?

• Mars

• Venus

• Mercury

• Saturn

What is the main difference between inner and outer planets?

• Inner planets are larger than outer planets

• Inner planets are made mostly of gas

• Outer planets are made mostly of gas

• Outer planets are closer to the Sun

Which object is at the center of our Solar System?

• Earth

• Moon

• Sun

• Mars

Which of the following is NOT a planet in our Solar System?

• Pluto

• Venus

• Mars

• Jupiter

What is Earth's position in the Solar System?

• First planet from the Sun

• Second planet from the Sun

• Third planet from the Sun

• Fourth planet from the Sun

Which of the following objects is known for having a tail?

• Asteroid

• Comet

• Moon

• Planet