Across
- 3. - The process of changing from a solid to a liquid.
- 6. - A type of matter with consistent properties throughout.
- 8. - A state of matter with a definite shape and volume.
- 10. - a state of matter with a fixed volume but no fixed shape.
- 13. - The specific temperature at which a solid becomes a liquid.
- 15. - the process of changing from a liquid to a solid.
- 16. - A state of matter with no fixed shape and can expand to fill any space.
- 17. - the process where liquid changes to gas, often below the boiling point.
- 18. - When particles bump into each other, especially in a gas.
Down
- 1. - The transformation from one state of matter to another.
- 2. - The movement of particles from an area of high concentration to low concentration.
- 4. - Caused by particles colliding with the walls of their container.
- 5. - the specific temperature at which a liquid becomes a gas.
- 6. - The change of state from solid directly to gas.
- 7. - The process where gas changes to a liquid.
- 9. - The principle that mass is maintained in a closed system during any physical or chemical process.
- 11. - a characteristic of a substance that can be observed or measured.
- 12. - A combination of two or more substances that are not chemically combined.
- 14. - The tiny units that make up all matter.