Across
- 3. The temperature at which a liquid changes to a solid.
- 4. During chemical changes, some matter is lost as a _____.
- 7. In a _____ change, no new substance is created.
- 8. This process is used to improve the durability and appearance of metal objects.
- 11. The law of _____ of matter states that matter stays the same.
Down
- 1. The _____ point of water is 212 degrees Fahrenheit or 100 degrees Celsius.
- 2. The point at which a solid changes to a liquid.
- 5. Physical changes happen when matter changes color, _____, or size.
- 6. When particles gain energy, they start to move _____.
- 7. Changing the state of matter is also called a _____ change.
- 9. In a _____ change, new properties are produced.
- 10. This is produced when water causes a metal to develop a reddish-brown color.