Across
- 4. A substance that flows freely
- 5. The smallest particle of an element
- 7. Tiny things that join together to make a solid liquid or gas
- 8. An air like substance
- 9. The substance we breath out
- 10. A liquid or mixture
- 11. A teqnique of separation
- 12. What is used to blow up balloons
Down
- 1. A distinct or profound substance
- 2. Firm and stable shape
- 3. A combination of atoms
- 6. What we need to breath
- 7. A table that contains all of the elements