1. Q: What is the chemical formula for water?
A: The chemical formula for water is H2O.
2. Q: What percentage of the Earth's surface is covered by water?
A: About 71% of the Earth's surface is covered by water.
3. Q: What is the name of the process by which water changes from liquid to vapor?
A: The process is called evaporation.
4. Q: What is the freezing point of water in Celsius?
A: The freezing point of water is 0 degrees Celsius.
5. Q: What is the boiling point of water in Celsius?
A: The boiling point of water is 100 degrees Celsius.
6. Q: Which type of water is found underground and can be extracted through wells or springs?
A: Groundwater.
7. Q: What is the largest ocean on Earth?
A: The Pacific Ocean is the largest ocean.
8. Q: What is the name of the process by which plants release water vapor through their leaves?
A: Transpiration.
9. Q: What is the term for water in its gaseous state?
A: Water vapor.
10. Q: What is the process by which water vapor turns back into liquid water forming clouds?
A: Condensation.
11. Q: What is the name of the water body that surrounds Antarctica?
A: The Southern Ocean.
12. Q: What is the name of the boundary that separates two bodies of water with different salinity levels?
A: A halocline.
13. Q: What is the process of purifying water to make it safe for consumption called?
A: Water filtration or purification.
14. Q: What is the name of the phenomenon where water moves upward in narrow tubes against gravity?
A: Capillary action.
15. Q: Which layer of the Earth's atmosphere contains most of the Earth's water vapor?
A: The troposphere.
16. Q: What is the name of the process of converting seawater into freshwater by removing salt?
A: Desalination.
17. Q: What is the world's largest freshwater lake by surface area?
A: Lake Superior.
18. Q: What is the name of the process by which water moves from the Earth's surface to the atmosphere and back?
A: The water cycle or hydrological cycle.
19. Q: What is the name of the largest river in the world by discharge volume?
A: The Amazon River.
20. Q: What is the name of the process by which water moves from the roots of plants to their leaves?
A: Capillary action or transpiration.
21. Q: What is the term for the continuous movement of water on, above, and below the Earth's surface?
A: The water cycle or hydrological cycle.
22. Q: What is the process by which water moves downward through the soil?
A: Infiltration.
23. Q: What is the name of the process by which water in the atmosphere falls to the Earth's surface as rain, snow, sleet, or hail?
A: Precipitation.
24. Q: What is the name of the point on the Earth's surface directly above the source of an earthquake?
A: The epicenter.
25. Q: What is the name of the process by which liquid water changes into water vapor?
A: Evaporation.
26. Q: What is the name of the layer of rock or soil that water cannot pass through?
A: Impermeable layer.
27. Q: What is the term for the body of water where a river meets the ocean?
A: Estuary.
28. Q: What is the name of the process by which water seeps through the ground and becomes part of the groundwater?
A: Infiltration.
29. Q: What is the name of the underground layer of rock or sediment that holds water?
A: Aquifer.
30. Q: What is the name of the process by which plants absorb water through their roots?
A: Osmosis.
31. Q: What is the world's longest river?
A: The Nile River.
32. Q: What is the term for the gradual increase in the salinity of seawater over time?
A: Salinization.
33. Q: What is the name of the process by which liquid water turns into solid ice?
A: Freezing.
34. Q: What is the name of the process by which water droplets in clouds combine and grow larger, eventually falling as precipitation?
A: Coalescence.
35. Q: What is the name of the large circular ocean current found in the Atlantic Ocean?
A: The Gulf Stream.
36. Q: What is the term for the process of water seeping out of the leaves of plants?
A: Guttation.
37. Q: What is the name of the boundary that separates two bodies of water with different temperatures?
A: A thermocline.
38. Q: What is the name of the process by which water moves from the Earth's surface to the atmosphere through plant leaves?
A: Transpiration.
39. Q: What is the process by which liquid water turns into water vapor without reaching its boiling point?
A: Sublimation.
40. Q: What is the name of the process by which water vapor changes back into liquid water?
A: Condensation.
41. Q: What is the term for the sudden release of energy in the Earth's crust that causes seismic waves?
A: An earthquake.
42. Q: What is the name of the process by which liquid water changes into water vapor and rises into the atmosphere?
A: Evaporation.
43. Q: What is the name of the large ice sheet covering much of Antarctica?
A: The Antarctic Ice Sheet.
44. Q: What is the term for the process of converting sunlight into usable energy, often using solar panels?
A: Solar energy conversion.
45. Q: What is the name of the process by which water in the atmosphere falls to the Earth's surface as rain, snow, sleet, or hail?
A: Precipitation.
46. Q: What is the name of the process by which water seeps through the ground and becomes part of the groundwater?
A: Infiltration.
47. Q: What is the name of the underground layer of rock or sediment that holds water?
A: Aquifer.
48. Q: What is the name of the process by which plants absorb water through their roots?
A: Osmosis.
49. Q: What is the world's longest river?
A: The Nile River.
50. Q: What is the term for the gradual increase in the salinity of seawater over time?
A: Salinization.
