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Free-Fall Bottles & Tubes
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In this physics activity, learners conduct two experiments to explore free-falling.
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Biobarcodes: Antibodies and Nanosensors
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In this activity/demo, learners investigate biobarcodes, a nanomedical technology that allows for massively parallel testing that can assist with disease diagnosis.
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Rutherford's Enlarged: A Content-Embedded Activity to Teach about Nature of Science
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This paper describes a working-model demonstration of Ernest Rutherford's 1911 experiment about the nature of atoms.
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Soak It Up: Understanding Amphibian Permeability
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In this activity, learners will discover how the thin layers of amphibians' skin allow water and other chemicals to pass through it.
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Magnetic Pendulums
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In this activity and demonstration about electricity and magnetism, learners observe how the current generated when one copper coil swings through a magnetic field starts a second coil swinging.