Across
- 5. Water raining from the sky
- 7. Less than 1% of earth's water is this type
- 9. a continuous cycle of which water goes through
- 12. Water that has frozen under a temperature of 32 degrees Fahrenheit or 0 degrees Celsius
- 14. a colorless odorless gas
- 15. 97% of earth's water is this type
Down
- 1. Underground water source
- 2. Water that is wet and fluid
- 3. Water that is boiled above the temperature of 212 degrees Fahrenheit or 100 degrees Celsius
- 4. a colorless odorless flammable gas
- 6. First people to discover methods of treating water
- 8. Tasteless, odorless, and colorless
- 10. 2% of earth's water is this type
- 11. Water's chemical formula
- 13. First country to use chlorine to treat water