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Glowing in the Dark
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In this activity, learners explore phosphorescence and how certain materials can absorb and store energy from a light source.
Bronx Cheer Bulb
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In this activity, learners observe what happens when they give a light source like a neon glow lamp a "Bronx Cheer." The lights appear to wiggle back and forth and flicker when learners blow air throu
Why are Compact Fluorescent Bulbs More Efficient?
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In this activity, learners explore the relative efficiency of different bulbs, specifically incandescent vs. fluorescent.
How can You Demonstrate the Efficiency of Different Light Bulbs?
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In this activity, learners actually feel the difference in energy required to light two different types of light bulbs: incandescent light and LEDs.
How does the Atmosphere keep the Earth Warmer?
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In this activity, learners simulate the energy transfer between the earth and space by using the light from a desk lamp desk lamp with an incandescent bulb and a stack of glass plates.
Illuminating Luminescence
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In this activity, learners compare and contrast different forms of luminescence by observing how chemiluminescence, phosphorescence, and fluorescence produce or emit light.
Light and Sound
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In this four-part activity, learners explore light and sound through a variety of hands-on investigations.
Oil Spot Photometer
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In this math activity related to light, learners assemble a photometer and use it to estimate the power output of the Sun.