Across
- 2. a gas
- 4. baloon gas
- 6. what itch is
- 8. itch did this with his dad at the beach
- 10. somthing that is not pleasant
- 11. something that holds a chemical
- 12. same thing, poison gas
- 14. o2
- 16. is in a test tube
- 17. a place filed with ores
Down
- 1. a bunch of elements that cannot go back to being elements
- 3. somthing that cannot be broken down any further
- 5. a poisinous gas
- 7. somthing that is in batteries
- 9. title of the book
- 11. somthing you mine
- 13. a gas C
- 15. hard to breath in