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A collection of science projects, videos and experiments for various grades and topics.

Science Projects or Science Experiments: Grades 5 & 6

Diffusion through a Membrane Experiment

Science Experiment - Diffusion Through a Membrane
Iodine turns blue in reaction to starch. When a starch solution is placed in dialysis tubing (a semi-permeable membrane) and the tubing is added to a beaker of iodine, will the starch be able to pass through the tubing and turn the water blue or will the smaller iodine molecules pass through and turn the contents of the tube blue?
Semi permeable Membrane
Detecting diffusion across a semi-permeable membrane

Iodine Bag Diffusion
A video that shows how diffusion occurs across a selectively permeable membrane.
Osmosis and Diffusion Through a Membrane Lab


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