Across
- 2. – Transfer of thermal energy.
- 4. – Increase in volume when heated.
- 5. – Force at the surface of a liquid.
- 8. – Slow vaporization at surface of liquid.
- 12. – Solid without long-range order.
- 13. – Forces between molecules.
- 15. – Liquid becomes solid.
- 16. – Has definite shape and volume.
- 17. – Resistance of a liquid to flow.
- 18. – Ionized gas with high energy.
- 21. – Solid turns directly into gas.
- 23. – Balance between phase changes.
- 24. – Gas becomes liquid.
- 26. – Liquid becomes gas.
- 27. – Solid becomes liquid.
- 28. – Mass per unit volume.
- 29. – Expands to fill any space.
Down
- 1. – Gas turns directly into solid.
- 3. – Measure of average kinetic energy.
- 6. – Force applied per unit area.
- 7. – Energy absorbed or released during phase change.
- 9. – Ability of matter to decrease in volume.
- 10. – Phase change from liquid to gas.
- 11. – Takes shape of its container.
- 14. – Solid with repeating atomic structure.
- 18. – Distinct state of matter.
- 19. – Movement of particles from high to low concentration.
- 20. – Tiny particles that make up matter.
- 22. – Energy of motion.
- 25. – Needed to change state of matter.