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Diffusion through a permeable material: practical
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Particles of a liquid can move through a material by diffusion if the material is permeable.
Observe a liquid diffusing into a jelly cube.
Predict and observe effect of temperature on the diffusion of a liquid into a jelly cube.
Predict and observe effect of cube size on the diffusion of a liquid into a jelly cube.
Use ideas about particles and diffusion to explain these observations.