Solar System Quiz

What is another word for ‘orbit’?

• revolve

• move

• spin

What do planets in our Solar System orbit?

• the Moon

• a satellite

• the sun

What is the Sun made up of?

• gas

• metal

• rock

What is being described here? A giant ball of gas being held by its own gravity.

• satellite

• planet

• star

What happened in 2006 to Pluto?

• it was first discovered

• an astronaut walked on it for the first time

• it was reclassified as a dwarf planet

Which is the closest planet to the Sun?

• Saturn

• Mercury

• Mars

Which of these is the farthest planet from the Sun?

• Neptune

• Earth

• Jupiter

Who helped astronomers to understand how planets stayed in orbit?

• Galileo Galilei

• Johannes Kepler

• Nicolaus Copernicus

What is Jupiter mostly made up of?

• metal

• gas

• rock

Which of these planets is not a rocky planet?

• Neptune

• Mars

• Mercury