Phase Changes

Today we:

1. Talked about phase changes
2. Looked at a graph of temperature during a phase change
3. Learned why we sweat
4. Interpreted phase diagrams
5. Froze stuff with liquid nitrogen (see more at the talk on Friday)

Homework:

1. No video tonight.
2. Read - Freezing/Melting lab
3. Do: WSQ - Freezing/Melting lab
4. Optional do: Start the lab report
5. Don't forget the extra credit opportunity on Friday night