Challenging Earth Trivia

15 Points Per Correct Answer - No time limit  

1. How many kilometers is Earth away from the Sun? 147, 700, 000 145, 400, 000 149, 600, 000 151, 600, 000

2. The core of the Earth is mostly composed of what element? Oxygen Iron Silicon Magnesium

3. What temperature can the center of Earth's core reach up to? 7000 K 8100 K 7300 K 7500 K

4. What percentage of the Earth's surface is covered in water? 82 71 77 65

5. The Earth's atmosphere is primarily made up of what gas? Answer: (One Word)

6. Staying on the subject of the atmosphere, what gas is primarily responsible for an enhanced greenhouse effect thought to result in global warming? Answer: (Two Words)

7. How old is the Earth? 4.5 to 4.6 Billion Years 4.0 to 4.2 Billion Years 5.0 to 5.1 Billion Years 4.8 to 5.0 Billion Years

8. Roughly how many years does it take for Earth's magnetic field to change direction, or reverse polarity? 700,000 400,000 900,000 500,000

9. The interaction between the Earth and the Moon slows the Earth's rotation by how many milliseconds per century? 10 2 20 7

10. The Earth is headed towards what constellation? Leo Corvus Argo Hercules

11. What is the name of the station which experienced the lowest temperature ever recorded? Zastok Station Vostok Station Tastok Station Yastok Station

12. What is the equatorial circumference of Earth to the nearest 10 kilometers? 41, 040 km (25,504 m) 35, 620 km (22, 134 m) 40, 800 km (25, 353 m) 40, 070 km (24, 903 m)

13. What is the name of the phenomenon, which may be caused by earth tremors that are too weak to be felt, but sounds like a distant cannon especially on or near the water? Barisal Guns Garisal Guns Karisal Guns Darisal Guns

14. How long does it takes the Earth to rotate on its axis? 24 hours and 2 minutes 23 hours and 51 minutes 23 hours and 56 minutes 23 hours and 50 minutes

15. Complete this quote from USA Astronaut Edgar Mitchell, 'My view of our planet was a glimpse of _______.' paradise perfection divinity creation