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Showing results 1 to 11 of 11
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Invisible Ink Demonstration
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In this chemistry demonstration, learners will discover that phenolphthalein is a chemical that displays different colors depending on the acidity or basicity of the environment.
Fossil Fuels: Facing the Issues
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Through doing these hands-on activities, learners explore the environmental consequences associated with fossil fuel usage.
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Phase Changes
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Learners observe a sealed test tube containing a small amount of solid stearic acid.
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Glowing Pickle
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In this activity, high voltage is applied across a pickle to emit a yellow glow. This activity should only be conducted by skilled adults and is best suited as a demonstration.
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Sink It
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Learners classify a variety of objects by their characteristics. They then design an experiment to determine which objects float or sink in water and add this characteristic to their classification.
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How Do We Convert Mechanical Energy into Electrical Energy?
Source Institutions
In this activity, learners use a compass, powerful magnet, and copper magnet wire to build a special generator known as a dynamo.
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Our Place in Our Galaxy
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In this fun and simple hands-on astronomy activity, learners construct a model of our place in the Milky Way Galaxy and the distribution of stars, with a quarter and some birdseed.
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Moving Without Wheels
In a class demonstration, learners observe a simple water cycle model to better understand its role in pollutant transport.
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Silver Crystals
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This is written as a static display, but can easily become a hands-on experiment for learners.
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Bend That Bar
Learners play the role of materials engineers as they test the flexibility of different materials.
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Strange Attractor: Observe Chaotic Motion
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In this activity, learners can observe chaotic motion. A magnet tied to a piece of string makes a pendulum, which swings over three sets of fixed magnets.