Mars Quiz

Put your knowledge to the test with this Mars quiz, covering the red planet, its dusty surface, its moons, its volcanoes, and its thin atmosphere.

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Questions in this quiz

15 questions

  1. Where does Mars rank in distance from the Sun? Choices: Third, Fourth, Fifth, Second
  2. About how long is a year on Mars? Choices: About 225 Earth days, About 365 Earth days, About 1,200 Earth days, About 687 Earth days
  3. How many moons does Mars have? Choices: One, Three, Two, Four
  4. What gives Mars its red color? Choices: Iron oxide (rust), Sulfur dust, Copper minerals, Carbon soot
  5. What kind of planet is Mars? Choices: Gas giant, Ice giant, Dwarf planet, Terrestrial (rocky)
  6. About how long is one day on Mars? Choices: Just over 24 hours, About 12 hours, About 10 Earth days, About 59 Earth days
  7. What is the name of the huge canyon system on Mars? Choices: Grand Canyon, Great Rift Valley, Valles Marineris, Copper Canyon
  8. Which was the first rover to drive on Mars? Choices: Spirit, Sojourner, Curiosity, Perseverance
  9. About how strong is gravity on Mars compared with Earth's? Choices: About 10%, About 70%, About 150%, About 38%
  10. What can cover the whole surface of Mars for weeks? Choices: Thunderstorms, Dust storms, Snowstorms, Ocean tides
  11. Where does Mars rank in size among the Solar System's planets? Choices: Fifth, Sixth, Seventh, Eighth
  12. What is the name of the tallest volcano on Mars? Choices: Olympus Mons, Arsia Mons, Mauna Loa, Mount Etna
  13. What type of rock covers much of Mars's surface? Choices: Marble, Chalk, Coal, Basalt
  14. About what share of Mars's atmosphere is carbon dioxide? Choices: About 95%, About 70%, About 40%, About 20%
  15. About how far is Mars from the Sun? Choices: About 150 million km, About 228 million km, About 108 million km, About 778 million km

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