Across
- 5. When a liquid changes into a solid.
- 6. When a solid changes directly into a gas.
- 7. When a gas changes directly into a solid.
- 11. When a solid changes into a liquid.
- 13. Anything that has mass and takes up space.
- 14. An atom or molecule with an electric charge.
Down
- 1. When a gas changes into a liquid.
- 2. Tiny pieces that make up matter.
- 3. A state of matter that has a definite volume but takes the shape of its container. GAS A state of matter with no definite shape or volume.
- 4. A state of matter that has a definite shape and volume.
- 8. A very hot, charged state of matter found in stars.
- 9. A group of atoms bonded together.
- 10. Something that can cause particles to move faster.
- 12. When a liquid changes into a gas at the surface.