Across
- 2. shiny metal
- 6. reacted with water burn when heated
- 8. richest shiny metal
- 10. named after Tennessee
- 11. found in bones
- 14. can be in bananas
- 15. used for x-rays
- 19. named after the largest west coast state
- 20. comes from trees.
Down
- 1. named after Einstein
- 3. the smallest
- 4. favors pluto
- 5. cold gas
- 7. a planet
- 9. dull, grey metal
- 12. to cover food up
- 13. superhero name
- 16. used in lights
- 17. used for top of a house
- 18. the fattest