1. Question. What is the speed of the earth?
Answer :- Two (Instantaneous speed and Annual speed).
2. Question: Earth's outer surface is divided into how many parts?
Answer :- In 4 parts (1. Lithosphere 2. Hydrasphere 3. Atmosphere 4. Biosphere).
3. Question: What is the equatorial circumference of the earth?
Answer :- 51,01,00,500 sq km.
4. Question: What is the polar diameter of the earth?
Answer :- 12,714 km.
5. Question: What is the circumference of the Earth's poles?
Answer :- 40,009 km.
6. Question: Which is the coldest place in the world?
Answer :- Oimaikon (-72 degrees Celsius).
7. Question: Which is the hottest place on earth?
Answer :- Al Aziziya of Libya (58 degrees Celsius).
8. Question: What is the name of the world's largest swimming pool?
Answer :- Kassab-Ankara Swimming Pool (Morocco, 580m long, 75m wide).
9. Question: Which is the deepest place on Earth?
Answer :- Challenger Jephthah (11,033m).
10. Question: What is the circumference of the earth?
Answer :- 40,056 km or about 40,000 km.
11. Question: How many kilometers per hour does the earth rotate?
Answer :- It rotates at a speed of 1,50,216 - 1,09,158 km per hour.
12. Question: What is the name of the longest railway bridge in the world?
Answer :- Hugh P. Long Bridge (America, 7 km).
13. Question: What is the name of the longest bridge in the world?
Answer :- Mahatma Gandhi Setu (Built on Ganga in Bihar).
14. Question: Which is the highest land in the world?
Answer :- Pamir Malvumi (average height 4,800 m).
15. Question: What is the size of the earth?
Answer :- 51 crore 54 lakh square kilometers.
16. Question: What is the name of the largest mosque in the world?
Answer :- Dil-eer Jumma mosque.
17. Question: Where is the most railway in the world?
Answer :- In USA.
18. Question: Which is the longest island in the world?
Answer :- Greenland (21,75,600 sq km).
19. Question: Which is the largest plateau in the world?
Answer :- Sahara Plateau of Africa.
20. Question: What is the distance from the sun to the earth?
Answer :- About 15 crore or 9 crore 30 lakh miles.
21. Question: Which is the longest island in the world?
Answer :- Indonesia.
22. Question: How much time does it take for the earth to rotate once?
Answer :- 23 hours 56 minutes 4 seconds.
23. Question: What is the area of the earth?
Answer :- About 14 crore 90 lakh square kilometers.
24. Question: Which is the biggest aquarium in the world?
Answer :- The John G Shed of Chicago (holds 2 million liters of water).
25. Question: What is the name of the world's largest theater hall?
Answer :- The Radio City Music Hall (New York).
26. Question: What is the name of the world's largest railway tunnel?
Answer :- Simp-N (Located between Switzerland and Italy, 19 km long).
27. Question: What is the name of the world's largest ship?
Answer :- Queen Elizabeth.
28. Question: Which is the largest library in the world?
Ans :- Lelin State Library (Located in Moscow, Russia).
29. Question: Which is the lowest place on earth?
Answer :- Desert Sea (402 meters below sea level).
30. Question: Which is the world's longest barrier reef?
Answer :- Great Barrier (Australia).
