Across
- 3. Has definite volume but no definite shape
- 4. Distinct forms of matter
- 7. Take part and undergoes change during a chemical reaction
- 8. Has definite volume and shape
- 9. Also known as thermal energy
- 10. Heat is released
Down
- 1. The simplest unit of a chemical compound
- 2. Has indefinite volume and shape
- 5. Heat is absorbed
- 6. A substance produced during a chemical reaction