Across
- 3. bonded group of substances
- 6. combining substance
- 7. change
- 9. average warmths
- 12. something that takes up space
- 14. smallest substance
- 15. space,the amount
- 17. stuff stored in substances
- 18. energy between
Down
- 1. chemically combined elements
- 2. change different chemical transformation
- 4. combination to form structures
- 5. reaction materials
- 8. the science of substance
- 10. combination
- 11. substance that cant be broken down
- 13. chemicals formed
- 16. large space, no shape