Across
- 2. pure substance cannot be broken down
- 4. the substance before a chemical reaction occurs
- 6. smallest unit of matter
- 7. property characteristic of texture size shape
- 9. two atoms together
- 10. the science that deals with substances
- 13. substance formed from chemical reactions
- 14. gives of heat energy
- 15. amount of space an object takes up
- 16. changes change substance to a new substance
Down
- 1. takes space
- 3. amount in object
- 5. measure of kinetic energy
- 8. property characteristic change in reaction
- 11. absorbs heat energy
- 12. changes change in looks only
- 14. ability to do work or cause change
- 17. transfer of thermal energy