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Cells and Walls
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Using toothpicks, straws, or tubes of rolled up newspaper, learners create 3-dimensional models to illustrate the basic structure and function of the cell membrane, and place an object inside to repre
Waterproof Hanky
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In this physics demonstration, learners will be surprised when a handkerchief holds water in an upside-down glass.
Soap-Film Painting
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Make a big canvas of iridescent color with pvc pipe! In this Exploratorium Science Snack, you'll need to cut and assemble some PVC pipe, but the pay-off, the soap-bubble canvas, is big.
Bouncy Egg
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In this activity, learners explore how acids can dissolve eggshells leaving behind a membrane-covered bouncy egg.
DNA Extraction
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Learners use a simple process to extract DNA from strawberries.
Soap-Film Interference Model: Get on our wavelength!
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By making models of light waves with paper, learners can understand why different colors appear in bubbles.
Traveling Nanoparticles Model
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This is an activity (located on page 3 of the PDF under Nanosilver Activity) about diffusion of small molecules across cell membranes.
Moving Molecules!
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In this activity about molecular diffusion (located on page 2 of the PDF under Nanosilver Activity), learners will make predictions and move molecules of iodine through a seemingly solid plastic sandw
Dealing Signals
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In this activity, use standard playing cards to introduce learners to cellular interactions such as cell to cell recognition and signal and receptor specificity.
Cellular Soap Opera
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In this activity, learners create a large film of soap and experiment with what can and cannot pass through it.