Across
- 2. Opposite of Melting
- 5. transitions matter changes from one state to another
- 6. The temperature at which a solid turns into a liquid.
- 8. Matter becomes flat near a _
- 12. Certain materials become this at extremely low temperatures.
- 14. Vaporization is achieved by _
- 18. The density at which the universe would be flat
- 19. Solid directly to Gas
Down
- 1. As this increases, particles in matter move faster and change states.
- 3. At constant pressure, the volume of a gas is directly proportional to this
- 4. This concept involves substances changing into new ones
- 7. These show how substances change with temperature and pressure.
- 9. The process of a liquid turning into a gas, often at its boiling point.
- 10. Beyond this, the substance is referred to as a supercritical fluid
- 11. Helium-4 when cold exhibits zero _
- 13. Gas to Liquid
- 15. At very low temperatures, some liquids exhibit this unusual property
- 16. Gas directly to Solid
- 17. States that at constant temperature, gas pressure is inversely proportional to its volume. _ Law
