Across
- 1. State of matter with no fixed shape or volume.
- 3. Direct change from gas to solid, bypassing the liquid phase.
- 5. Slow change of state from liquid to gas at the surface.
- 7. Change of state from liquid to solid.
- 8. State of matter with a fixed shape and volume.
- 10. Change of state from solid to liquid.
- 11. Change of state from gas to liquid.
Down
- 2. Direct change from solid to gas, bypassing the liquid phase.
- 4. Must be added to a substance to cause melting or boiling.
- 6. The basic unit of matter (atom or molecule).
- 9. State of matter with a fixed volume but no fixed shape.