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In this activity, learners examine how colored lenses act like filters and absorb all colors of light except for the color of the lenses.

$5 - $10 per student Ages 8 - 14 10 to 30 minutes
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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.

$10 - $20 per group Ages 8 - 14 1 to 2 hours
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In this activity, learners stain fabrics--on purpose!

Over $20 per group Ages 11 - 18 1 to 2 hours
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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.

$1 - $5 per student Ages 8 - 18 10 to 30 minutes
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How many colors make black? Gather as many water soluble black markers as you can find.

1 cent - $1 per student Ages 4 - 18 10 to 30 minutes
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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.

$1 - $5 per group Ages 8 - 14 1 to 2 hours
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How can you make one shade of gray look like two? By putting it against two different color backgrounds! This activity allows learners to perform this sleight of hand very easily.

$1 - $5 per student Ages 8 - 18 30 to 45 minutes
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In this activity, learners add dilute bleach solution to water that has been dyed with yellow, blue, and green food color.

$1 - $5 per group Ages 8 - 14 10 to 30 minutes
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In this chemistry challenge, learners systematically investigate which combination of four solutions produces a deep red color.

$10 - $20 per group Ages 11 - 18 10 to 30 minutes
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Learners observe different light sources, outdoors and indoors, using prism glasses (diffraction glasses) and color filters.

$5 - $10 per student Ages 4 - 8 10 to 30 minutes
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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.

$5 - $10 per group Ages 8 - 14 10 to 30 minutes
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In this activity, learners use a compact disc to make a spectrometer, an instrument used to measure properties of light.

$1 - $5 per student Ages 11 - 18 30 to 45 minutes
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In this activity, learners create a "mini sky" in a glass of water in a dark room.

1 cent - $1 per student Ages 6 - 14 Under 5 minutes
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Learners add different liquids (water, salt water, alcohol, and detergent solution) to water and observe the different ways the different liquids combine with water.

$1 - $5 per group Ages 6 - 14 30 to 45 minutes
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Learners analyze candy-coated sweets using chromatography. Learners use this method to separate the various dyes used to make colored candy.

$1 - $5 per student Ages 6 - 14 10 to 30 minutes
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In this activity about afterimages, learners explore what happens when receptor cells called cones in your eye's retina get tired.

$1 - $5 per student Ages 6 - 14 10 to 30 minutes
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This activity guide includes instructions for building a spectroscope using a standard classroom overhead projector.

Over $20 per group Ages 11 - 18 45 to 60 minutes
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In this challenge, learners have to figure out in what order to combine five solutions to change the color from clear, to yellow, to blue, and back to clear.

Over $20 per group Ages 4 - 14 10 to 30 minutes
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This is an activity (located on page 3 of the PDF under Butterfly Wings Activity) about how visible light is affected by tiny nanoscale structures, producing iridescence on butterfly wings, soap bubbl

$10 - $20 per group Ages 8 - 14 1 to 2 hours
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In this activity, learners trap a thin layer of air between two pieces of Plexiglas to produce rainbow-colored interference patterns.

$1 - $5 per student Ages 8 - 18 10 to 30 minutes