Exploring the Solar System Quiz

Which planet is known as the 'Red Planet'?

• Mars

• Jupiter

• Saturn

• Venus

What is the main reason Venus is the hottest planet in the solar system?

• Its size

• Its proximity to the Sun

• Its dense atmosphere causing a greenhouse effect

• Its volcanic activity

Which planet has the longest rotation period around the sun?

• Venus

• Mercury

• Mars

• Earth

What is the gravitational force of Mercury compared to Earth?

• Twice Earth's

• 0.5 times Earth's

• 0.38 times Earth's

• Equal to Earth's

Which planet is known for having a surface covered mostly in water?

• Earth

• Mercury

• Venus

• Mars

What is unique about Venus's rotation?

• It is the fastest in the solar system

• It rotates opposite to most other planets

• It does not rotate

• It rotates in less than 24 hours

Which planet is the smallest in the solar system?

• Mars

• Mercury

• Venus

• Earth

What is the significant feature of Mars's volcano, Olympus Mons?

• It is the smallest volcano

• It is active

• It is the biggest in the solar system

• It is extinct

Which planet completes an orbit around the Sun in 88 Earth days?

• Venus

• Jupiter

• Mars

• Mercury

What percentage of Earth's surface is covered in water?

• About 50%

• About 70%

• About 60%

• About 80%