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Light Box
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Learn how to construct a light box by following simple figures and instructions. This guide includes tips on how to assemble a light box; related activities are featured in separate resources.

Exploring the Universe: Filtered Light
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"Exploring the Universe: Filtered Light" demonstrates how scientists can use telescopes and other tools to capture and filter different energies of light to study the universe.

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.

Gelatin Prism
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In this activity, learners make prisms from gelatin. Learners then shine light through the prisms and discover what happens. This activity introduces learners to the idea of refraction.

Spectroscope
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In this activity (posted on March 12, 2011), learners follow the steps to construct a spectroscope, a tool used to analyze light and color.

Night Lights
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In this activity, learners create night lights using a plastic cup, programmable PICO Cricket, tri-color LED, and sensor.

Make a Light Fountain
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In this optics activity, learners make a "light fountain" from a clear plastic bottle, flashlight, and other simple materials.
Triboluminescence
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In this activity, learners discover what happens when they crush wintergreen-flavored candies in a very dark room.

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
Guiding Light
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In this optics activity, learners use glass and water to demonstrate total internal reflection (TIR).

Star Power
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In this activity, learners create a star show and discover how they can prevent light pollution. Using simple materials, learners first design constellation boxes.

CD Spectroscope
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In this activity, learners use an old CD to construct a spectroscope, a device that separates light into its component colors.

Beam Me Up!
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This is a quick activity (on page 2 of the PDF under Stained Glass Activity) about the "Tyndall effect," the scattering of visible light when it hits very small dispersed particles.

Give and Take
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In this activity, learners explore liquid crystals, light and temperature. Using a postcard made of temperature-sensitive liquid crystal material, learners monitor temperature changes.

Morphing Butterfly
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In this activity, learners explore how nanosized structures can create brilliant color.

Bright Lights
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In this activity about electricity, learners imagine that they are out in the wilderness and it is getting dark. Their task is to use the materials supplied to build a simple flashlight.

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.

Polarized Sunglasses
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In this activity, learners explore how polarizing sunglasses can help diminish road glare.

Liquid Crystals Interact with Light!
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In this two-part activity, learners explore the properties of liquid crystals, which are responsible for why mood rings change color.

Exploring Structures: Butterfly
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In this activity, learners investigate how some butterfly wings get their color.