Across
- 3. What is the symbol for water?
- 5. This liquid has 15,000 times more chlorine than drinking water.
- 7. Water which contains calcium and magnesium(minerals)and causes spots to show up on a glass container.
- 10. What percent of water on earth is glacier ice?
- 11. the best team in the NFL?
- 14. What percent of water on earth is salt water?
- 15. Without water our earth would like what thing out in space?
Down
- 1. What is the symbol for iron?
- 2. A two letter abbreviated word to help us measure substances in water.
- 3. A colorless, odorless, tasteless but highly explosive.
- 4. Less than what percent on earth is fresh water?
- 6. This is added to drinking water to kill bacteria and control algae.
- 8. This element creates a bluish-green stains and scale on pipes.
- 9. What percent of water is on earth?
- 12. This element reacts with oxygen which can cause rust.
- 13. A colorless, odorless, tasteless gas;combustible.
