Across
- 2. The state of matter in which molecules are tightly packed.
- 6. An extremely small piece of matter (can be smaller than atoms)
- 7. The smallest unit of a substance composed of two or more atoms
- 8. The change of a gas into a liquid by cooling.
- 9. Anything that takes up space and has mass.
- 10. A measure of gravity determining how heavy an object is.
- 11. The change of state from a liquid to a gas.
- 12. A state of matter in which the molecules can move freely.
Down
- 1. State of matter in which the molecules stay close but move free.
- 3. The amount of space something takes up.
- 4. The change of state from a liquid to a solid.
- 5. Characteristics of matter and materials.
- 8. The property of being made more compact.
- 9. The process of liquefying or melting a solid by applying heat.