Planets of Our Solar System Quiz

What defines a planet according to the presentation?

• A large body in space that moves around a star
• A rocky object floating in space

How many planets are in our solar system?

• 8
• 9

Which group of planets are closest to the Sun?

• Outer Planets
• Inner Planets

What makes Venus unique among the inner planets?

• It is the smallest planet
• It orbits the Sun faster than it spins

Why is Mars called the Red Planet?

• It has red-colored rocks
• It has red clouds

What are the outer planets primarily composed of?

• Rocks
• Gases

Which planet is larger than all other planets combined?

• Neptune
• Jupiter

What makes Saturn unique?

• It has no moons
• It has rings made of ice and rocks

How long does it take Neptune to orbit the Sun?

• 165 Earth years
• 200 Earth years

Which planet is about the size of Earth's moon?

• Mars
• Mercury