16. What is groundwater?
17. When ice or snow changes directly into water vapor, it is called
18. When people and animals breathe out water vapor into the air from their lungs, it is called
19. When water changes from a liquid into a gas, it is called
20. When water droplets get large enough to fall from the clouds, its called
21. When water evaporates directly from glacial ice, its called
22. When water evaporates from plants, its called
23. When water is released through a plants leaves, this process is called
24. When water turns to vapor and rises into the atmosphere its called
25. When water vapor changes from a gas into a liquid, we call it
26. Where does the heat come from that turns ocean water into water vapor?
27. Where is most of the water on Earths surface found?
28. Why are the oceans salty?
29. When water vapor cools into a liquid, its called
30. About how much of the Earths surface is covered with water?
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