1. II. Changes Between Liquid and Gas Vaporization: The change in state from liquid to gas. Vaporization

2. ☼ Vaporization occurs when the particles in a liquid gain enough energy to completely break free from the liquid. Simulation does not work on IPad

3. A.Evaporation: When vaporization occurs only at the surface of a liquid. B.Boiling: Vaporization occurs at surface and within the liquid (i.e. Bubbles)

4. Boiling Point: The temperature at which a liquid boils. ☼ Boiling point is affected by pressure. Pressure Boiling Point Pressure Boiling Point

5. Example Boiling Points at Sea Level Water100 °C212 °F Gold2,856 °C5,173 °F Rubbing Alcohol 83°C181 °F

6. C. Condensation: The change from a gas to a liquid.

7. TPS: What states of matter are present at each of the colored lines? Solid and Liquid Liquid Liquid and Gas

8. TPS: What change in state is occurring at the blue line? Melting

9. TPS: What change in state is occurring at the red line? Vaporization

10. TPS: Why does the temperature change slowly or not at all during a change in state?

11. TPS: Why did the water boil at 96 °C and not at 100 °C?