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In this activity related to the human circulatory system (on page 10 of the PDF), learners observe the dispersion of a drop of food coloring in water, draw conclusions about the movement of dissolved

In this lab exercise, learners explore diffusion, cell membranes and particle size using beets and three alcohols.

This is an activity (located on page 3 of the PDF under Nanosilver Activity) about diffusion of small molecules across cell membranes.

This three-part lab helps learners understand the essential principles governing diffusion and osmosis.