Across
- 5. conversion of a vapor or gas into a liquid
- 7. the layer of gases(air) around a planet
- 11. when water is heated and changes from a liquid to a gas
- 13. water that runs over the land rather than soaking in
- 14. water that is present under the ground in soil and rock
- 16. a long period with little rain
- 17. water in the air, including rain, snow, sleet, hail, or heavy mist
- 18. includes water in ice sheets, ice caps, glaciers, icebergs, bogs, ponds, lakes, rivers, streams, and groundwater.
- 19. a colorless, transparent, odorless liquid that forms the seas, lakes, rivers, and rain and is the basis of the fluids of living organisms
- 20. layers of rock full of holes that hold weater or let it pass through
- 21. usable in a way that maintains the resource
Down
- 1. working with the minimum amount of waste
- 2. the whole body of salt water that covers nearly three fourths of the surface of the earth
- 3. a large natural stream of water flowing in a channel to the sea, a lake, or another such stream.
- 4. evaporation of water from plant leaves
- 6. areas of land where water falls, separates, and flows into different rivers and lakes
- 8. power, usually electricity, generated using moving water
- 9. a process by which seawater is converted into freshwater
- 10. a measurement of water use
- 12. the route water takes to be repeatedly recycled through clouds, rainwater, groundwater, rivers and the sea
- 15. preservation of a resource
- 22. most indoor water use occurs in this room