Across
- 2. A pure substance
- 4. The smallest unit of an element
- 5. The amount of matter in an object
- 6. A measure of heat or coldness
- 7. A combination of substances that can be physically separated
- 8. The transfer of thermal energy
- 9. the substances that are formed during a reaction
- 11. The ability to cause change
- 13. To hold together
- 15. An chemical reaction process that changes substances into new substances
Down
- 1. The substances which participate in a reaction
- 3. The amount of space something takes up
- 5. Something that takes up space
- 7. Two or more atoms joined together
- 9. Characteristic of a substance that can be observed or measured without changing
- 10. An action that takes a substance and changes it
- 12. A substance relating to how it can change as a result of a reaction
- 14. A change in matter than doesn't affect its chemical composition