Across
- 2. there is one of these in a water molecule
- 4. a water source underground (an underground lake)
- 6. they recorded the first water treatment method
- 7. first to use chlorine to kill germs in their water
- 9. what state is the water in when it is 50 F
- 10. there are about a billion in a _ of water
- 11. water under the ground it supplies wells and springs
- 14. water vapor becomes a liquid
Down
- 1. percent how much of our body is made up of water
- 3. rain, snow, hail, and sleet are examples of
- 5. what state is the water in when it is 212 F
- 8. there are two of these in a water molecule
- 12. vapor water in gas form
- 13. what state water is in when it is 32 F