Across
- 1. converted into one or more substances
- 6. chemical substance formed into different ones
- 9. substances convert to one
- 10. stuff that takes up space
- 13. changes affecting the form
- 15. three dimensional space
- 17. from a chemical reaction
- 18. a combination
- 19. atoms forming to molecules
- 20. smallest particle
- 21. a substance that can not be broken
- 22. molecules sticking together
Down
- 2. speeds up a chemical reaction
- 3. a substance that can be observed
- 4. transferred energy
- 5. a group of atoms
- 7. a property of a substance
- 8. a degree of heat
- 11. releasing energy
- 12. a branch of science
- 14. two or more elements combined
- 16. a reaction that observes heat
- 18. amount of matter in a object
- 21. transferred heat