Across
- 4. A fast chemical change that makes fire, like burning wood.
- 6. A change that you can undo, like melting an ice cube and freezing it again
- 8. Water in its gaseous state.
- 11. When an apple or banana goes brown and smelling bad.
- 12. All matter is made up of these tiny bits.
- 13. The process of a solid turning into a liquid.
- 14. Materials in this state take the shape of the container they are in.
- 15. The reddish-brown stuff that grows on old, wet metal
Down
- 1. The process of a solid turning directly into a gas.
- 2. The process of a gas turning into a liquid.
- 3. The breakdown of food in the body.
- 5. A state of matter with no fixed shape or volume.
- 7. The process of a liquid turning into a gas.
- 8. A state of matter with a definite shape and volume.
- 9. The process of a liquid turning into a solid.
- 10. A white liquid, often associated with a physical change when it sours.