Across
- 2. what would the earth look like with no water
- 4. water underground that is supplied in wells and springs
- 5. water that runoff into river and lakes
- 7. what is the percent of water is in our blood
- 10. about how many molecules of water are in a single drop
- 12. water source underground
- 13. water vapor becomes dew or frost
- 14. rain, snow, or hail
Down
- 1. water moving downwards through openings in the ground
- 3. what percent of water is in the human body
- 6. what was the first country to use chlorine to kill germ in water
- 7. what percent of water is in an apple
- 8. water moves from the earth to the air and back to the earth again
- 9. liquid water that becomes gas
- 11. water as a gas in the air