Guide Questions:

1. What form of energy is added to the system? (thermal/ heat)

2. What happens when the gas particles are heated? (expand/compress)

3. How does temperature affect the movement of particles? (faster/slower)

4. When the gas expand, what will happen to the movable piston? (goes up/goes down)

5. What is the manifestation that work is done in the system by the addition of heat? (moving piston / stationary piston).​