Quiz on the Solar System

Which planet is known as the 'Red Planet'?

• Venus

• Saturn

• Mars

• Jupiter

What is the main reason Venus is the hottest planet?

• It has a thick atmosphere trapping heat

• It is closest to the Sun

• It is the largest planet

• It has a rocky surface

Which of the following planets is classified as a gas giant?

• Jupiter

• Mars

• Mercury

• Earth

What distinguishes the inner planets from the outer planets?

• Inner planets are larger and gaseous

• Inner planets are rocky and smaller

• Inner planets have more moons

• Inner planets are farther from the Sun

What is the primary composition of asteroids?

• Organic compounds

• Gaseous materials

• Metals and rocky material

• Ice and water

How long does it take Mercury to orbit the Sun?

• 365 Earth days

• 687 Earth days

• 24 Earth hours

• 88 Earth days

What is a characteristic of dwarf planets like Pluto?

• They have a strong gravitational field

• They are always spherical

• They are larger than regular planets

• They cannot clear their orbit of other objects

Which planet has the coldest atmosphere?

• Earth

• Jupiter

• Saturn

• Uranus

What happens to temperature as the distance from the Sun increases?

• It decreases

• It increases

• It remains the same

• It fluctuates

Which planet is known for its prominent ring system?

• Jupiter

• Saturn

• Uranus

• Neptune