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The Earth - True or False?

Guess whether these statements about our Earth planet are true or false.
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Fifi567
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Last updated: November 29, 2024
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First submittedAugust 21, 2024
Times taken65
Average score66.7%
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1. Earth is the third planet from the Sun.
Earth is indeed the third planet from the Sun in our solar system.
True
False
2. Earth has only one natural satellite, the Moon.
Earth has one natural satellite, which is the Moon.
True
False
3. Earth's atmosphere is composed mostly of oxygen.
Earth's atmosphere is mostly nitrogen (78%), not oxygen (21%).
True
False
4. The Earth's core is solid iron.
The Earth's inner core is solid, but it is made mostly of iron and nickel.
True
False
5. Earth is the only planet known to support life.
Earth is the only planet currently known to support life.
True
False
6. The Earth's axis is tilted by about 23.5 degrees.
Earth's axial tilt of 23.5 degrees is responsible for the changing seasons.
True
False
7. Earth orbits the Sun in exactly 365 days.
Earth's orbit around the Sun takes approximately 365.25 days, accounting for leap years.
True
False
8. The Earth's surface is mostly covered by land.
About 71% of Earth's surface is covered by water, not land.
True
False
9. Earth is the densest planet in our solar system.
Earth is the densest planet in the solar system due to its metallic core and rocky mantle.
True
False
10. Earth has experienced more than one mass extinction event.
Earth has undergone several mass extinction events, including the one that wiped out the dinosaurs.
True
False
11. The Earth's atmosphere extends up to about 1,000 km from the surface.
The Earth's atmosphere extends up to about 10,000 km, but the majority is within the first 100 km.
True
False
12. Earth's magnetic field is generated by its liquid outer core.
Earth's magnetic field is generated by the movement of molten iron in its liquid outer core.
True
False
13. The Pacific Ocean is the smallest ocean on Earth.
The Pacific Ocean is the largest ocean on Earth, covering more area than all land combined.
True
False
14. Earth's highest mountain (above sea level) is Mount Everest.
Mount Everest is the highest mountain on Earth above sea level, at 8,848 meters.
True
False
15. The Earth's atmosphere is mainly composed of carbon dioxide.
Earth's atmosphere is mostly nitrogen and oxygen, with carbon dioxide making up only about 0.04%.
True
False
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2 Comments
+2
Level 50
Nov 28, 2024
Mount Everest is the highest mountain on earth ABOVE SEA LEVEL, the highest mountain from its base is Mauna Kea (according to google)
+1
Level 32
Nov 29, 2024
Changed the question