Water Properties, Water Cycle and Water Sources Unit Test
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Use this image to answer question # 1
1. The diagram includes an ocean in the water cycle How does salt water from the ocean end up as fresh water in precipitation? *
2. Water evaporates and falls back to Earth as rain or snow. What is the primary energy source that drives this cycle? *
3. Which describes the hydrosphere *
4. Which term best describes the area of water that drains into a river? *
5. Approximately what percentage of Earth’s water is freshwater? *
6. Where is most of Earth’s freshwater  located? *
7. Wilson Creek, a National Wild and Scenic River, flows through the Wilson Creek Gorge before it joins the Johns River. Which term best describes Wilson Creek? *
8. Which describes a characteristic of river basins? *
9. Which statement about water distribution is true? *
10. Which would be a watershed found in North Carolina? *
11. What is the best explanation for why there is so little freshwater for humans to use? *
While washing some berries, a student observes that the blue berries sink in the water and the strawberries.
12. Which statement explains the above observation?   *
13. Which statement best explains the reason some insects can walk across the surface of a lake? *
14. As a sample of water turns to ice, *
15. Which best illustrates capillary action? *
16. Where does the water in a watershed flow? *
17. Why on a hot sunny day is the air warmer than the water in the pool? *
18. Which 2 sources of freshwater are used by cities for drinking water? *
19.  1) What process accounts for the fact that the water on Earth now is the same water that has been on Earth for 4 billion years? *
20. Which is the correct make up of a water molecule? *
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