| Title | Season | Episode # | First Aired |
|---|---|---|---|
| The Inclined Plane | 2 | 11 | |
| The Lever | 2 | 12 | |
| Mechanical Advantage and Friction | 2 | 13 | |
| The Screw and the Wheel | 2 | 14 | |
| The Pulley | 2 | 15 | |
| Molecules in Solids | 2 | 16 | |
| Molecules in Liquids | 2 | 17 | |
| Evaporation and Condensation | 2 | 18 | |
| Expansion and Contraction | 2 | 19 | |
| Measuring Temperature | 2 | 20 | |
| Temperature vs. Heat | 2 | 21 | |
| Atoms | 2 | 22 | |
| Electrons | 2 | 23 | |
| Conduction | 2 | 24 | |
| Volume and Density | 2 | 25 | |
| Buoyancy | 2 | 26 | |
| Convection | 2 | 27 | |
| Heat as Energy | 2 | 28 | |
| Radiation Waves | 2 | 29 | |
| The Radiation Spectrum | 2 | 30 |