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Self-Portrait Silhouettes: Activity 1
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In this activity, learners make a photographic image--without a camera!
Rotating Light
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In this activity, learners explore what happens when polarized white light passes through a sugar solution.
Self-Portrait Silhouettes: Activity 2
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In this activity, learners make a photographic image—without a camera!
Glow Up
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In this activity, learners explore chemiluminescence and fluorescence. Learners examine 3 different solutions in regular light, in the dark with added bleach solution, and under a black light.
Illuminations on Rates of Reactions
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In this activity, learners investigate the speed of chemical reactions with light sticks. Learners discover that reactions can be sped up or slowed down due to temperature changes.
Light Soda
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In this activity, learners sublimate dry ice and then taste the carbon dioxide gas.
Bubble Tray
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In this activity, learners use simple materials to create giant bubbles.
Aluminum-Air Battery: Foiled again!
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Construct a simple battery that's able to power a small light or motor out of foil, salt water, and charcoal. A helpful video, produced by the Exploratorium, guides you along on this activity.
Conductivity Meter
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In this activity, learners build a simple qualitative conductivity tester with a battery, bulb and foil.
Penny Battery
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In this activity, learners light an LED with five cents. Learners use two different metals and some sour, salty water to create a cheap battery.