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Testing Falling Peanut Butter Sandwich Myth
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In this activity related to rotational inertia (page 1 of the PDF under SciGirls Activity: Microgravity), learners will use a bit of scientific experimenting to test if open-faced peanut butter sandwi
DNA Extraction from Wheat Germ
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DNA is the thread of life. Encoded in its genetic sequence is the information that makes each of us unique. This activity allows you to see long, stringy strands of DNA extracted from wheat germ.
DNA Extraction from Cheek Cells
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DNA is the thread of life. Encoded in its genetic sequence is the information that makes each of us unique.
Acids & Bases
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In this activity, learners test the pH of safe liquids available at home by creating a pH indicator from mashed blueberries.
DNA Spooling: Isolate DNA from Onion Cells
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In this experiment, learners isolate Deoxyribonucleic Acid (DNA) from onion cells using a simple extraction procedure.
Testing Antimicrobials:: Antibacterial Soap? Do They All Work the Same?
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Many common household cleaners are antimicrobials.
Liquid Layers
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Experiment with liquids of different densities and create liquid layers. For example, oil and water have different densities: oil floats on water because it is less dense than water.
Sweet Speedway
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In this activity, learners test different food items by timing how long it takes each liquid to slide from the top of a ramp to the bottom.
Solving Dissolving
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The Sacred Cenote at Chichén Itzá is a sink hole, or well, containing groundwater. In this activity, learners create their own cenote using chalk, limestone, acids, and rain water.