Across
- 3. The force that holds particles together in solids.
- 4. A combination of atoms.
- 6. The state of matter with no fixed shape and no fixed volume.
- 7. The state of matter with a fixed shape and volume.
- 8. The state where particles move the fastest.
- 10. The smallest unit of matter.
- 11. The physical characteristic that distinguishes solids, liquids, and gases.
- 13. A container is needed to hold this state of matter.
Down
- 1. The process of a liquid turning into a gas.
- 2. The measurement of the amount of space an object takes up.
- 5. The ability of a gas to spread out and fill a container.
- 7. This property is fixed in solids but not in gases.
- 9. The state of matter with a fixed volume but no fixed shape.
- 11. The particles in this state are closely packed together.
- 12. The number of states of matter commonly observed on Earth.