Across
- 3. = A state of matter that spreads out to fill all the space.
- 7. = A very hot gas made of charged particles.
- 8. = When a solid changes to a liquid.
- 10. = A state of matter that flows and takes the shape of its container.
- 13. = When a gas changes to a liquid.
- 15. = When a solid changes directly to a gas.
- 16. = To move back and forth very fast.
- 18. = The form that matter can take, like solid, liquid, or gas.
Down
- 1. = When a liquid changes to a gas slowly.
- 2. = Another word for a state of matter, like solid or liquid.
- 4. = The shape or way something exists.
- 5. = The tiny pieces that make up all matter.
- 6. = A state of matter that keeps its own shape.
- 9. = When a liquid changes to a gas quickly with bubbles.
- 11. = When a liquid becomes a solid.
- 12. = To move smoothly like a liquid.
- 14. = How hot or cold something is.
- 17. = What makes particles move or change.