- Charcoal solution and wet mount slide preparation
- Liquid in a solid - agar, IKI, Methylene Blue
- Gas in a Gas - perfume
- Role of membranes: Thistle Tube demo
- Role of membranes: Elodea and saline solution
- Dialysis tubing, scales, hot and cold water baths
Exercises
- Observe Brownian movement
- Observed diffusion of chemicals in different states (gas, liquid, solid)
- Observe the role atomic weight plays on the rate of diffusion
- Examine the role of membranes in diffusion and osmosis
- Assess the role of temperature on the rate of diffusion
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