Across
- 4. A solid that forms when two liquids combine
- 7. when a liquid starts to harden up into a cold solid
- 10. The disappearance of one substance into another
- 13. The temperature when a solid starts to "let go" of its structure
Down
- 1. The process of a change in a material or substance
- 2. How hot or cold the atmosphere becomes
- 3. The three different forms of matter
- 5. Iron's flaky, broken down form
- 6. Air bubbles in a substance
- 7. How air bubbles are formed
- 8. A change in size, shape, or color
- 9. The saving of energy
- 11. A physical change to an object or substance
- 12. the source that helps power-automated things work