Phase Change and Energy Flow

1
Phase Change and Energy Flow

• Ben Reynolds
• Autumn Geerer-Vignes
• Jackson Hall

2
Phase changes

• Solid to liquid -gt Liquid to gas
• Energy is absorbed
• Gas to liquid-gt Liquid to solid
• Energy is released

3
Example of Phase Change
4
Energy Flow

• Hot to Cold
• High energy to Low energy
• Caused by nature trying to get everything to the
  same temperature

5
Question 1

• When a liquid gains energy does it become a solid
  or a gas?
• Gas

6
Question 2

• When thermal energy is absorbed what are the
  phase changes that occur?
• Solid to Liquid and Liquid to gas

7
Question 3

• Fill out the chart

Liquid
Solid
Liquid
Gas
8
Question 4

• Does energy flow from hot to cold or cold to hot?
• Hot to cold.

9
Question 5

• What causes energy flow?
• Nature trying to balance temperature.