1. Hydrology test review

2. Where is most of Earth’s freshwater located?
frozen in glaciers/polar ice caps

3. What % of the water on Earth is freshwater?3%

4. A huge sheet of ice that moves slowly over land
glacier

5. Where is most of the liquid freshwater located?
groundwater

6. Underground rock layer that collects and stores water
aquifer

7. How do people get water from aquifers?
Build wells = drill into aquifers and pump water out

8. Why are aquifers in danger of running out?
overuse & pollution

9. Transpiration D
What process is happening at D?

10. Water that collects above ground.
surface water

11. Water from rain & snow that flows over land.
Runoff

12. Area of land that drains into a river or lake.
Watershed

13. What is the main use of freshwater in the U.S.?
Irrigation

14. What continuously moves water throughout Earth’s atmosphere, oceans & land?
Water Cycle

15. Water located below Earth’s surface
groundwater

16. What % of the water on Earth is salt water?
97%

17. The change of a liquid to a gas is called
Evaporation

18. The change of a gas to a liquid is called
Condensation

19. Condensation
What process is happening at B?

20. Water that evaporates is called
Water Vapor

21. What causes water to evaporate?
Sun

22. What forms when condensation occurs high in the atmosphere
Clouds

23. Water that falls back to the surface is called ?
Precipitation

24. What % of Earth is covered with water?
70%

25. What pulls precipitation to the ground?
Gravity

26. What are 4 types of precipitation?
Rain Snow Sleet Hail

27. How do plants play a part in the water cycle?
They bring in water through their roots and release water vapor into the atmosphere through their leaves

28. What are the 3 main processes of the water cycle?
Evaporation Precipitation Condensation

29. Evaporation
What process is happening at A?

30. List 2 examples of irrigation
Sprinkler Hose Watering can

31. A man made method to supply water to plants, crops and lawns.
Irrigation

32. What divides watersheds from each other?
Highpoints of land Mountain ridge

33. Give two reasons wetlands can be beneficial.
Prevent flooding Filter out harmful chemicals

34. Area of land that remains wet for all or part of the year
wetlands

35. Explain how a glacier forms
Snow build up with the pressure of many layers packing the snow down until glacial ice forms

36. Precipitation
What process is happening at C?

37. What are some examples of surface water
Lake River Wetland Stream Ocean

38. What forms when condensation occurs low near the ground?
Fog