Across
- 6. A solid with a regular, repeating pattern.
- 7. The change from solid to liquid.
- 10. The amount of space that a substance or object occupies.
- 13. The act of particles changing position.
- 15. Property of gases allowing them to be reduced in volume by pressure.
- 17. The theory explaining the motion of particles in matter.
- 18. A state of matter that has a fixed volume but no fixed shape.
- 21. Anything that occupies space and has mass.
- 22. Increase in volume due to heat.
- 23. A condition or form that matter can take.
- 24. Changes that do not alter the composition of a substance.
- 25. Event when particles bump into each other.
Down
- 1. The capacity to do work or cause change.
- 2. Influences causing particles to interact.
- 3. Type of movement particles in a liquid exhibit.
- 4. The process of a gas turning into a liquid.
- 5. A measure of the average kinetic energy of particles.
- 8. A state of matter with neither fixed shape nor volume.
- 9. Force pulling particles together.
- 11. A state of matter with fixed shape and volume.
- 12. A gas or vapor phase of a substance.
- 14. The change from liquid to solid.
- 16. The transition from solid directly to gas.
- 19. Small constituents of matter in kinetic theory.
- 20. The spreading of particles from high to low concentration.