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The Primary Colors of Light
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In this activity, learners work in groups of four to explore light. Learners create new colors from the primary colors of light from flashlights covered in theatrical gels or cellophane.

The Old White Sheet Trick: Light and Insect Behavior
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In this outdoor, nighttime activity, learners gather around a brightly lit, white surface and study the behavior of nocturnal animals attracted to the light, particularly night fliers.

Light and Sound
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In this four-part activity, learners explore light and sound through a variety of hands-on investigations.

Colored Shadows Investigation
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This activity (located on page 3 of the PDF under GPS: Light and Color Activity) is a full inquiry investigation into mixing colors with light.

Light and Dark
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Learners examine the properties of light by experimenting with an LED-flashlight and polarizing filters. When two polarizers are used, they block all light when they are placed at right angles.

Inverse Square Law
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In this math activity related to light, learners explore why a light, such as a candle or a streetlight, looks dimmer the farther away from it we get.

Amazing Albedo
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In this experiment, learners work in teams to investigate how the color of a surface influences its ability to reflect light and therefore heat.
Mix and Match
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In this optics activity, learners explore color by examining color dots through colored water and the light of a flashlight.

Luminescence
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In this two-part activity about luminescence, learners explore the chemistry that happens inside glow sticks and other light producing reactions.

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.

Glow in the Dark
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Learners experiment to see which colors of light will cause a phosphorescent (glow-in-the-dark) material to glow.

Mirrors and Images
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In this optics activity, learners explore how many objects they can see in a set of mirrors (hinged like a book) at various angles.

Do Plants Need Light?
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In this food science activity, learners conduct an experiment that demonstrates the importance of light to plants.

Globe at Night
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In this international citizen science activity, learners measure their night sky brightness and submit their observations into an online database.

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.

Super Gelatin
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Can gelatin (like Jell-O ®) change the speed of light?

Easy PEAsy Seed Germination
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In this activity, learners determine the necessary conditions for pea seed germination.

Water Illusions: Refraction & Magnification
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Learners demonstrate how water can distort, refract and magnify light.

Transit Tracks
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In this space science activity, learners explore transits and the conditions when a transit may be seen.
Fish Eyes: More than Meets the Eye
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In this data collection and analysis activity, learners evaluate fish physiology and ecology using vision research data from Dr.