Across
- 4. The state of matter with a fixed shape and volume. (5)
- 7. The process of a liquid turning into a gas at the surface. (10)
- 9. The state of matter that spreads out to fill its container. (3)
- 10. The property of subatomic particles that determines their electrical behavior. (6)
- 12. A subatomic particle with a positive charge. (6)
- 13. The state of matter that flows and takes the shape of its container. (6)
- 14. The process of a liquid turning into a solid. (8)
Down
- 1. A subatomic particle with a negative charge. (8)
- 2. A subatomic particle with no charge. (7)
- 3. The type of energy associated with the motion of particles. (7)
- 5. Needed to change the state of matter or increase particle motion. (6)
- 6. The amount of matter in an object. (4)
- 8. The process of a solid turning into a liquid. (7)
- 11. The smallest unit of matter that retains the properties of an element. (4)