Across
- 5. gas phase of water
- 7. liquid water becoming a gas
- 8. degrees F that water boils at
- 9. degrees F that water freezes at
- 10. water vapor becoming a liquid or solid
- 13. percent of human blood that is water
- 15. what the earth would look like without water
Down
- 1. rain, snow, sleet, or hail
- 2. water as a gas in the air
- 3. solid phase of water
- 4. underground water source
- 6. percent of an apple that is water
- 11. first people to record methods of treating water
- 12. first country to kill germs with chlorine
- 14. atoms that make a water molecule