Earth's Systems: Water
Across
- 2. materials and items that people can use to make something or to provide a service
- 9. to dirty, or pollute, a material such as fresh water
- 10. water that contains little or no dissolved salts
- 13. a long period of dry weather
- 15. the movement of air from (over) the water to the land
- 17. channel built by people to move water
- 21. to save
- 22. a set of things working together as parts of a mechanism or network
- 25. moving air
- 29. man-made lake that is used to store water
- 30. water that falls from the air to the ground as rain, sleet, hail, or snow
- 31. the continuous movement of water between Earth’s surface and the air
- 32. name for an area of land in which water drains into a specific river
- 33. the movement of air from (over) the land to the water
- 34. the process used to remove salt or other minerals from sea water, such as is done in Catalina
- 35. a person who designs, builds, or maintains engines, machines, or public works
Down
- 1. to recycle or to make usable again
- 3. the whole mass of air that surrounds the Earth
- 4. underground layer of rock or soil which is capable of absorbing water
- 5. a group of atoms bonded together, representing the smallest unit of a compound
- 6. large body of ice that moves over land slowly
- 7. solid parts of the Earth
- 8. water beneath the Earth’s surface
- 11. all the water on Earth
- 12. an invisible, colorless, odorless, and tasteless gas
- 14. a barrier that prevents or restricts the flow of water
- 16. process of a liquid turning to a gas
- 18. all life on Earth
- 19. the process of water vapor (gas) changing to liquid water
- 20. water that has been used in a home or business
- 23. water pours over the banks of a body of water and spreads over the land
- 24. combine a number of things into a whole
- 26. a reason given for an action, or a statement that makes something clear
- 27. the process of liquid water changing to a solid
- 28. large body of salt water