Across
- 2. a water source under the ground
- 6. first country to use chlorine to kill germs in the water
- 8. the amount of water molecules in one single drop
- 10. water underground that supplies springs and wells
- 11. what the earth would look like without water
- 12. water as gas in the air
- 13. rain, snow, sleet, or hail
- 14. the percent of how much of our body is water
Down
- 1. water moving downward through openings in the soil
- 3. water moves from the earth to the air and to the earth again
- 4. water vapor becoming a liquid and solid
- 5. liquid water becoming a gas
- 7. First people to record methods of treating water
- 9. water that runs along the soil and goes into lakes and rivers
- 14. coldest phase of water