Across
- 2. How tough something is
- 4. How something smells
- 5. Two or more atoms
- 7. How thick a liquid is
- 10. How something looks
- 11. An atom with a positive electric charge
- 13. A negative subatomic particle
- 15. How easily something cracks
- 17. Something that gets disolved
- 18. The smallest form of matter
Down
- 1. A positive subatomic particle
- 2. Taste and smell working together
- 3. How rough something is
- 6. The study of matter
- 7. How chewy something is
- 8. Able to disolve substances
- 9. Physical substance
- 12. A liquid mixture
- 14. How something feels
- 16. An instrument to measure the intensity of color