Laboratory 4: Diffusion and Osmosis

Laboratory 4: Diffusion and Osmosis

Materials:
-Microscope
-Brownian movement
-Timer
-IKI
-Methylene Blue
-Agar plate
-Thistle Tube Apparatus
-Hot Water Bath
-Cold Water Bath
-Dialysis Tube
-Thermometer
-Beakers
-String
-Perfume

Exercises:
- Learn where the energy comes from (movement of molecules in diffusion)
- Learn if gases diffuse into other gases
- Learn if liquids diffuse into solids
- Learn which membranes are selectively permeable or permeable
- Learn how warming the external environment affects diffusion
- Learn how cooling the external environment affects diffusion