Across
- 3. water is a universal _______, which means that half of all the natural substances on Earth can dissolve in water
- 5. what makes up 97% of Earth's surface water?
- 8. another name for the water cycle is the _________ cycle
- 9. what charge is the oxygen molecule in a water molecule?
- 11. water is the basis for __________ measurement
- 15. pure water has a _______ Ph
Down
- 1. which of the 2 general categories for water pollution comes from a general area?
- 2. which of the 2 general categories for water pollution comes from a specific source?
- 4. which type of water makes up only 3% of Earth's surface water?
- 6. water has a very ____ surface tension
- 7. the amount of salt that is dissolved in a body of water
- 10. water becomes ______ as it cools up to a point
- 12. what charge are the 2 hydrogen atoms in a water molecule?
- 13. what can water absorb a lot of without a big change in temperature occurring?
- 14. what is the only naturally occurring substance that can exist in all 3 physical states (solid, liquid, gas)?