Across
- 2. This element is what cooking foil is made out of
- 6. This element has a valley near San Fransico named after it
- 7. This element is found in toothpaste
- 10. This element is found in Bananas
- 11. This element is found in your favorite restaurant's "open" sign
- 12. This element is used to make cool-toned jewelry
Down
- 1. This element is what makes balloons float
- 3. This element is found in batteries
- 4. This element caused a rush of people to California in 1850
- 5. This element is found in pools
- 8. This element is what you breathe in
- 9. This element is how Tony Stark got his superhero name