3. What is this process called? Gas molecules Liquid molecules

4. How much of Earth’s surface is covered by salt water? 3/4

5. Distribution of Earth’s Water Only three percent of Earth’s water is fresh water. - Water on Earth Most of our freshwater is what form?

6. A puddle drying up on a sunny day is an example of what? Evaporation

7. Precipitation occurs when … solid or liquid water falls from clouds.

8. Clouds are an example of what process in the water cycle? condensation

9. fresh water What kind of water is cycled through the water cycle?

10. Most of earth’s freshwater is found in frozen icebergs and glaciers.

11. Section 1.2 Fresh Water Flows and Freezes on Earth

12. What is a divide? A ridge, or continuous line of high land, from which water flows in different directions What is a drainage basin? An area into which all of the water on one side of a divide flows. Gravity and the drainage basin is going to determine the way water flows on land.

13. Where is the divide? Where is the drainage basin?

14. Where is the divide? Where is the drainage basin?

15. Surface water collects in A.Clouds B.Aquifers C.Streams D.Lakes

16. Name two differences between a pond and a lake 1.A lake is bigger than a pond 2.Sunlight reaches the bottom of a pond so that plants grow throughout the pond.

17. Lakes are larger, deeper & have little plant growth

18. Ponds are smaller, shallow, and have more plant growth

19. What time of the year is this?

21. Warm water Cold water

22. During the summer, the warm surface water of a lake does not mix with the cooler water underneath it. In the fall, though, this warm layer cools and sinks. This sinking is part of lake _____________. turnover

26. Eutrophication of a lake or pond can result from what? buildup of dead organisms. pollution from phosphate detergents. run-off of nitrogen fertilizers.

27. What is an iceberg? A mass of ice floating in the ocean Why does an iceberg float on water? Because ice is less dense than water

28. A.Below the ground surface B.Above the ocean surface C.Below the ocean surface D.None of the above Most of the volume of an iceberg is

30. What is groundwater?

31. Video Clip How is water collected underground? Why are aquifers important?

34. Which of the following is not true of aquifers? A.They filter and clean water. B.Water flows quickly through them. C.They provide a source of water for people. D.They can be emptied. Rate of water flow through an aquifer.

35. In an aquifer, water is stored in A.an underground lake. B.cracks and spaces between rocks. C.an underground river. D.wells and springs.

36. Granite does not allow water to flow through it. Granite is an example of A.a spring. B.impermeable rock. C.an aquifer. D.permeable rock.

37. What is an artesian well? A well in which water flows to the surface naturally because it is under pressure. It does not need to be pumped out.

38. Water exists in 3 states of matter on Earth!!! - The Properties of Water

39. Changing State - The Properties of Water

40. One drop of water could contain many living bacteria Lakes are homes for many fish, plants, frogs 2/3 of your body is water Water carries nutrients that give you energy & flushes wastes away