Across
- 3. Protective eyewear used to shield eyes from chemicals and glass shards.
- 6. The state of matter where particles are tightly packed in a fixed shape.
- 7. The process by which a solid changes directly into a gas.
- 10. The process of a liquid turning into a solid.
- 12. The process of a liquid becoming a gas at the surface, below boiling point.
- 13. The smallest unit of an element, according to particle theory.
- 14. The state of matter that has a definite volume but no definite shape.
Down
- 1. The change of state from gas to liquid.
- 2. The process of a solid turning into a liquid.
- 4. The movement of particles from an area of high concentration to low concentration.
- 5. The amount of space a substance occupies.
- 8. The theory that explains how particles behave in different states of matter.
- 9. The rapid change of a liquid to a gas at its boiling point.
- 11. The state of matter with particles that move freely and fill any container.