Across
- 2. This is an expensive metal
- 5. A metal that we can eat and make bridges with
- 7. We need this to live
- 9. Makes up most of the atmosphere
- 11. We wrap foods in this metal
- 14. This goes in pools
- 15. This makes up salt
Down
- 1. We used this for toothpaste
- 3. This goes along with oxygen to make water
- 4. We put this in light up signs
- 6. This inflates balloons
- 8. This has high radiation and has a lot of calories
- 10. Cars release this
- 12. We use this in batteries
- 13. This is in bananas and potatoes