Physics Demo Number: 092

Approximate Run Time: 10 min

Diffusion of Dye in Tank of Water

Demo Description

Drop dye into a clear container of water to watch the diffusion pattern and diffusion rate

Scientific Principles

Molecular diffusion

Equipment & Set Up

• Bottle of Dye

• Plastic reservoir

Equipment Location

• Bottle of Dye and Plastic Reservoir are in

  Kit (092) on [C-1-5] .

1

2

Instructions

The bottle of Dye may be used with the plastic reservoir from demo #053, shown photo 2, to illustrate the process of molecular diffusion.

Of course one may bring some simple food coloring in to use in place of the dye.

Writeup created by David A. Burba

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