Across
- 2. is anything with mass that occupies space.
- 3. Matter that has a definite composition
- 8. particles vibrate but can't move around
- 11. the smallest unit of an element that maintains the properties of that element.
- 12. a change in appearance without changing the composition of the material
- 14. the study of the composition, structure, and of matter and the changes it undergoes.
- 15. The capacity to do work or transfer
Down
- 1. substances that are formed during a reaction
- 4. a measure of the amount of space that is occupied
- 5. particles collide with enough energy to break into charged particles
- 6. property that can be observed and measured without changing the matriels composition
- 7. beginning substances that start a reaction
- 9. a measure of the amount of matter.
- 10. particles can separate
- 13. particles can move around but are still together