The Exploratorium

Rutherford Roller
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In this activity, learners make a black box device that serves as an excellent analogy to Rutherford's famous experiment in which he deduced the existence of the atomic nucleus.

Piezoelectric One-Way Remote
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In this activity, learners construct a device out of a piezoelectric igniter, like those used as barbecue lighters.

Vocal Visualizer
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With a bit of PVC, a laser, a can/cup, and a small mirror, you can make a device that visualizes you voice or any sound transmitted into the cup/can.

Sweat Spot
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In this activity, learners use a chemical reaction to visualize where moisture forms on the body.

Viral Packaging
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In this activity, learners create virus models, including nucleic acid and proteins, using simple materials. This resource includes information about virus structure and gene therapy.

Cutify: What Makes for Cute?
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In this online activity exploring our perception of "cuteness," learners adjust various factors (like pupil size or length of limbs) on a face, a cat, and a hammer.

Sound Sandwich
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With a straw, two craft sticks, and some rubber bands, construct a noisemaker called a Sound Sandwich and explore how vibration produces sound.

Vortex
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In this activity, learners create a tornado in a bottle to observe a spiraling, funnel-shaped vortex. A simple connector device allows water to drain from a 2-liter bottle into a second bottle.

Mold Mole Molds
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In this activity, learners make different shapes that hold exactly one mole of gas (air).