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Why Your Skin And Streets Need Antioxidants
Conduct experiments with everyday antioxidants like lemon juice and chocolate, then learn how antioxidant byproducts from olive oil production can be repurposed for roads and cosmetics.
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Hydrophobicity: Will The Water Drop Stop Or Roll?
Examine surface textures and conduct a “tilt test” to compare how materials with different surface textures repel or absorb water.
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Make A Wire Critter That Can Walk On Water
Learn how insects have inspired engineers and design your own water-walking critter using thin wire and your knowledge of surface tension.
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Test the Finger Wrinkle Hypothesis
Perform an experiment to determine whether smooth or wrinkled fingers are better at holding wet objects. The experiment requires only a water bottle, paperclip, and plastic ruler.
Downloads: Video, student data sheet, illustrated instructions