Across
- 2. A tiny piece of matter (like an atom or molecule).
- 8. motion The movement of particles, which increases as energy is added.
- 13. This state of matter flows but has a constant volume.
- 14. When particles at the surface of a liquid gain enough energy to become a gas.
- 15. When a liquid loses energy and turns into a solid.
Down
- 1. Two or more atoms chemically bonded together.
- 3. Chemically inactive; does not react with other substances.
- 4. A distinct state of matter
- 5. The smallest unit of an element that keeps its properties.
- 6. When a solid gains energy and turns into a liquid.
- 7. The process of a liquid turning into a gas throughout the liquid.
- 9. When a gas loses energy and turns into a liquid.
- 10. State of matter that expands to fill its container.
- 11. state of matter with a fixed shape and volume.
- 12. Anything that has mass and takes up space.