Solar System

How many planets are in the solar system?

• 7

• 8

• 9

• 10

What is the smallest PLANET in our solar system?

• stars

• the moon

• Mars

• Mercury

True or false: The sun is a planet.

• True

• False

Saturn is the only planet with visible _____.

• dust

• gas

• rings

• ice

What is the largest OBJECT in our solar system?

• the sun

• Jupiter

• Saturn

• asteroid belt

The time it takes a planet to rotate on its axis is known as the period of _____.

• revolution

• rotation

Which is NOT one of the inner planets?

• Mercury

• Venus

• Uranus

• Mars

What is the largest PLANET in the solar system?

• the sun

• Jupiter

• Saturn

• asteroid belt

Which is NOT one of the outer planets?

• Venus

• Neptune

• Uranus

• Saturn

Earth's period of rotation is how many hours?

• 24

• 10

• 12

• 365