Mercury Quiz Questions

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1. Mercury is the ______ planet from the Sun.

A 4th B 6th C 2nd D 1st

2. What type of planet is Mercury?

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

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

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

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

A 11% of the Earth's mass B 5.5% of the Earth's mass C 95 times the Earth's mass D 82% of the Earth's mass

5. Around how long is a day on Mercury?

A 24.6 hours B 10.7 hours C 9.8 hours D 58.7 Earth days

6. Mercury is the ______ planet in the Solar System.

A Third smallest B Second largest C Second smallest D Smallest

7. Why does Mercury have such extremes in temperature?

A Because it has little atmosphere B Because it's day is so long C Because it is so close to the Sun D All of the above

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

A God of agriculture B God of war C Roman messenger to the gods D Goddess of love

9. True or False: Mercury is more similar to the Earth's Moon in size and surface than to planet Earth.

A FALSE B TRUE

10. Why is it difficult to send space craft to Mercury?

A Because it is moving so fast B Because it is so far away C All of the above D Because it is so close to the Sun

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