4.5 Planets Review Questions

Which is the smallest planet in our solar system?

• Mercury

• Earth

• Venus

• Uranus

Which planet is the only planet in our solar system to spin on its side?

• Mars

• Venus

• Uranus

• Neptune

How long does it take Earth to make one revolution around the sun?

• 28 ½ days

• 365 ¼ days

• 24 hours

• 1 month

Which planets are terrestrial planets?

• Mercury

• Mars

• Venus

• Earth

• Jupiter

Which planets are gas giants?

• Neptune

• Uranus

• Saturn

• Jupiter

• Earth

All the planets in our solar system revolve around —

• Earth

• the sun

• the moon

• Mars

Which is the largest planet in our solar system that has colored cloud patterns caused by enormous storms in its atmosphere?

• Venus

• Neptune

• Saturn

• Jupiter

Earth completes one rotation every —

• 48 hours

• month

• 24 hours

• year

Which planet is the fifth planet from the sun?

• a. Mars

• b. Venus

• c. Jupiter

• d. Saturn

How many planets are there in our solar system?

• a. 6
• b. 7
• c. 8
• d. 9