HMH Planets Science Quiz

What is the path that a planet takes as it revolves around the sun called?

• orbit

• zigzag

• rotation

• spiral

Which planet has the thickest atmosphere in our solar system?

• Jupiter

• Venus

• Mars

• Saturn

What are the large, dark, flat areas on the moon's surface called?

• Lunar mountains

• Martian valleys

• Asteroid craters

• Lunar maria

How many moons does Mars have?

• 2

• 0

• 5

• 3

Which planet is known as the 'Red Planet'?

• Jupiter

• Saturn

• Uranus

• Mars

What is the name of the largest moon of Jupiter?

• Ganymede

• Callisto

• Titan

• Europa

Which planet is closest to the sun?

• Mercury

• Venus

• Mars

• Jupiter

What is the name of the largest volcano in our solar system, located on Mars?

• Kilauea

• Mauna Loa

• Olympus Mons

• Mount Everest

Which planet is known for its beautiful rings?

• Mars

• Jupiter

• Uranus

• Saturn

Which planet is the largest in our solar system?

• Jupiter

• Mercury

• Mars

• Venus