Neptune Quiz Questions

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1. Neptune is the ______ planet from the Sun.

A 4th B 8th C 2nd D 1st

2. What type of planet is Neptune?

A Terrestrial planet B Ice giant planet C Dwarf planet D Gas giant planet

3. Which of the following best describes the surface of Neptune?

A A thick layer of hydrogen gas B Cloudy and hot with lots of volcanoes C Cold, rocky, and covered in red dust D Barren and rocky with lots of craters

4. Around how big is Neptune's mass when compared to the mass of the Earth?

A 5.5% of the Earth's mass B 11% of the Earth's mass C 95 times the Earth's mass D 17 times the Earth's mass

5. Around how long is a day on Neptune?

A 88 Earth days B 24.6 hours C 9.8 hours D 16.1 hours

6. How was Neptune first discovered?

A Using a space-based telescope B Using a land-based telescope C With the naked eye thousands of years ago D Using mathematics

7. Which of the following best describes the atmosphere on Neptune?

A Warm and oxygen rich B Extremely cold C Extremely hot D Similar to Earth's atmosphere

8. Neptune was named after what Roman god or goddess?

A God of the sea B God of war C God of the sky D God of agriculture

9. What is the name of the largest moon orbiting Neptune?

A Triton B Proteus C Nereid D Larissa

10. Neptune is the ______ planet in the Solar System.

A Fourth largest B Sixth Largest C Smallest D Second smallest

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