Solar System Grade 1

What is the sun?

• satellite

• planet

• star

• moon

How many planets are there in the Solar System?

• 8

• 3

• 9

• 10

The only planet that supports life.

• Moon

• Sun

• Earth

• Star

The center of the Solar System is the __________.

• The sun, burning ball of gas or star.

• Like a planet, but on fire.

• Ball of liquid that is very hot.

What is the name of this planet?

• Jupiter

• Saturn

• Mercury

• Mars

Which planet is closest to the sun?

• Earth

• Mercury

• Jupiter

• Saturn

Why is the Earth called "the blue planet"

• Because it is blue.

• Because it is big.

• Because there is so much water on it.

• Because it is mostly grass.

True or False. Pluto is now considered a dwarrf planet rather than our last planet in the Solar system.

• True

• False

Which one is the red planet?

• 
• 
• 
• 

True or False: the planets move around the sun.

• True

• False