Across
- 2. Negative Electrical Charge
- 6. No Charge
- 7. Broken by chemical services
- 10. living matter
- 14. Accounts for most of hairs strength
- 15. Positive Electrical Charge
Down
- 1. Accounts for most of hairs resistance
- 3. Elements that make up hair
- 4. Atomic groups prefer similar environment
- 5. study of matter and physical & chemical changes
- 8. Non living matter
- 9. ice to water
- 11. change that creates new substance
- 12. Anything that occupies space and has weight
- 13. Basic substances that cannot be simplified