Solar System Study Guide Quiz

What forms a system in space along with Earth?

• The moon and stars

• The sun and the moon

• The sun and asteroids

• The moon and comets

How long does it take for Earth to rotate on its axis?

• 24 days

• 24 weeks

• 24 hours

• 24 months

How many planets are there in our solar system?

• 7

• 8

• 9

• 10

What is a moon?

• Stars that revolve around planets

• Planets that revolve around moons

• Small natural objects that revolve around planets

• Comets that revolve around the sun

How often does the Earth revolve around the sun?

• Every 24 hours

• Every 27 days

• Every 365 days

• Every 30 days

How far are the planets in our solar system from each other?

• Very close

• Very far

• Random distances

• The same distance

Which of the following planets have no moons?

• Earth and Mars

• Venus and Mercury

• Jupiter and Saturn

• Neptune and Uranus

Which planet is known as Earth's closest neighbor in space?

• Mars

• Jupiter

• Venus

• Saturn

What is the most distinctive feature of Mercury's surface?

• It is covered in ice

• It is filled with craters

• It has many rivers

• It is smooth and plain

What is the atmosphere of Venus primarily composed of?

• Oxygen

• Nitrogen

• Carbon Dioxide

• Methane