Across
- 2. taste biter or like metal
- 4. killed by chlorine
- 6. what do you drink from your sink
- 8. FE2O3
- 9. what is the chemical makeup of water
- 10. found in hard water
- 11. combined with O2 can cause rust
- 12. anther word for purify
Down
- 1. what do humans need to survive
- 2. found in swimming pools
- 3. where does your water go when you flush the toilet
- 5. what do you put the water in when you are going to drink it
- 7. what does the water treatment plant do with before it goes to you
- 9. minerals can be found in it
- 13. frozen water