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The Mars - True or False?
Guess whether these statements about the Mars Planet are true or false.
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Last updated: January 17, 2025
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| First submitted | August 15, 2024 |
| Times taken | 23 |
| Average score | 56.3% | Report this quiz | Report |
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1. Mars has the largest volcano in the solar system.
Olympus Mons on Mars is the largest volcano in the solar system, standing at about 22 km high.
True
False
2. Mars has two moons.
Mars has two small moons named Phobos and Deimos.
True
False
3. Mars' polar ice caps are made entirely of water ice.
The polar ice caps on Mars are made of both water ice and dry ice (frozen carbon dioxide).
True
False
4. A day on Mars is shorter than a day on Earth.
A day on Mars, or a "sol," is about 24.6 hours, slightly longer than an Earth day.
True
False
5. No spacecraft have ever successfully landed on Mars.
Multiple spacecraft, including the Curiosity and Perseverance rovers, have successfully landed on Mars.
True
False
6. The average temperature on Mars is warmer than Earth's average temperature.
The average temperature on Mars is around -80 degrees Fahrenheit, much colder than Earth's average temperature.
True
False
7. Mars experiences seasons, similar to Earth.
Mars has seasons like Earth due to its tilted axis, though they are more extreme and last longer.
True
False
8. Mars' gravity is strong enough to retain a thick atmosphere similar to Earth's.
Mars has a thin atmosphere primarily composed of carbon dioxide, and its weak gravity cannot retain a thick atmosphere like Earth's.
True
False
9. The atmosphere on Mars is mostly composed of nitrogen.
Mars' atmosphere is mostly composed of carbon dioxide (about 95%), with only trace amounts of nitrogen.
True
False
10. The tallest mountain on Mars, Olympus Mons, is nearly three times the height of Mount Everest.
Olympus Mons is about 22 km high, nearly three times the height of Mount Everest, which is about 8.8 km high.
True
False
11. Mars has a higher gravity than Earth.
Mars' gravity is about 38% that of Earth's, so it is much weaker.
True
False
12. Mars has been observed to have dust storms that can engulf the entire planet.
Mars experiences massive dust storms that can cover the entire planet and last for weeks or even months.
True
False
13. Mars is the closest planet to Earth.
Venus is usually the closest planet to Earth, although Mars comes closer at certain points in their orbits.
True
False
14. Mars has a magnetic field similar to Earth's.
Mars does not have a global magnetic field like Earth's; it only has localized magnetic fields in some regions.
True
False
15. The soil on Mars is toxic to humans because it contains high levels of perchlorates.
Martian soil contains perchlorates, which are toxic to humans and would need to be removed for safe agriculture or habitation.
True
False
16. Mars has never been closer to Earth than 30 million kilometers.
Mars has come as close as 54.6 million kilometers (33.9 million miles) to Earth, which happens during opposition.
True
False
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1 Comments
gonzit
+1
Level 72
Sep 12, 2024
last question is worded incorrectly based on the correct answer. either it should be True or the question should be "Mars is sometimes closer than 30 million km from Earth"
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