Water on Earth

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Across
  1. 2. the process when plants use water, along with C02 and energy from the sun, to make their own food
  2. 3. water allows ___ to break down food, grow, reproduce, and get and use materials they need from their environments
  3. 5. North America's five Great Lakes contain about 20% of all the water in the world's ____ lakes
  4. 7. Much of Earth's fresh water is ___ in sheets of ice
  5. 8. the process by which molecules at the surface of a liquid absorb enough thermal energy to change to a gaseous state
  6. 9. the place where organisms lives and obtains all things it needs to survive
  7. 11. ___ is continuously transformed as it moves between states of matter.
  8. 13. forms clouds
  9. 15. Most of Earth's ___ water is salt water found in oceans
  10. 16. To find some of the fresh water on Earth, you have to look ____.
Down
  1. 1. Earth's build in water recycling system
  2. 4. water that falls to Earth as rain, snow, hail, or sleet
  3. 6. the process of water given off through the leaves as water vapor
  4. 10. For millions of years, the total amount of water cycling through the Earth system has remained fairly ___
  5. 12. Only 3% is ___ water
  6. 14. most precipitation falls directly into the ___