- 4D10. Brownian Motion
- 4D20. Mean Free Path
- 4D30. Kinetic Motion
- 4D30.10 Kinetic Theory Apparatus Small metal spheres are confined to a cylinder by a piston and are kicked around by a variable speed vibrator.
- 4D30.21 Kinetic Theory Model with Marbles
- 4D30.40 Model for Kinetic Theory of Gases An evacuated tube containing mercury and some glass chips is heated over a Bunsen burner.
- 4D50. Diffusion & Osmosis
- 4D50.20 Diffusion through Porcelain
- 4D50.21 Diffusion of CO2
- 4D50.45 Bromine Diffusion Bromine diffuses into two evacuated bulbs.
- 4D50.62 Potassium Permagnate in Water