Lab 3 Diffusion and Osmosis

Materials-

1. Microscope 
2. Suspended charcoal solution or India ink particles
3. Perfume and stopwatch
4. Agar plate with a drop of IKI and Methylene Blue 
5. Thistle tube apparatus with a hypotonic and hypertonic solution
6. Dialysis tubes in hot and cold water
7. A scale to weigh the bags 
8. Data Collection sheet 

Exercises-

1. Observe the movement of molecules under a microcopse
2. Observe the diffusion of gas within a gas 
3. Observe the diffusion of a liquid in a solid 
4. Observe the diffusion between cell membranes
5. Observe the affects of temperature on the diffusion process