Our Solar System Review

The length of a planet's year is . . .

• How long it takes the planet to rotate once on its axis

• How long it takes the planet to orbit once around the sun

• How large the planet is

• How much the planet tilts on its axis

Which planet is the closest planet to the sun?

• Mercury

• Venus

• Mars

• Pluto

What is similar about all of the inner planets?

• rocky
• gasses
• many moons
• takes a long time to revolve around the sun

What is similar about all of the Outer Planets?

• small
• large
• few moons
• takes a short amount of time to go around the sun

Which planet is the largest?

• Jupiter
• Saturn
• Neptune
• Uranus

Besides Pluto, which planet is the smallest?

• Mercury
• Venus
• Earth 
• Mars

Between which two planets is the asteroid belt located?

• Mercury & Venus
• Mars & Jupiter
• Uranus & Neptune
• Neptune & Pluto

Which planet is red because of iron oxide or rust?

• Venus
• Mars
• Jupiter
• Saturn

Which planet's average temperature make it the hottest planet in the solar system?

• Mercury

• Venus

• Earth

• Mars

The "Great Red Spot" is a storm on which planet?

• Earth

• Mars

• Jupiter

• Saturn