Experiment Hi-05

Diffusion in Liquids

Description: A large beaker of water is placed on the lab bench. A few drops of dye (food coloring works) are added to the water. The dye will diffuse throughout the water in an irreversible process.


Purple dye diffusing in a beaker of water.

For a more impressive demonstration, use dark dye and place a white screen behind the beaker.




Materials: beaker of water, dye, dropper, white screen (optional)


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This page was last updated on Friday August 15, 2008 8:37 PM