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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.
See the Light
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In this three-part activity, learners conduct simple experiments to see how light refracts and reflects, and how colors of light affect what we see.
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.
How Our Environment Affects Color Vision
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In this lab (Activity #1 on page), learners explore how we see color.
Mirror, Mirror
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In this activity, learners test the Law of Reflection based on experimental evidence. Learners produce raw data and explanations based on their data: pencil tracings of incident and reflection rays.
Hot Air
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In this activity, learners set up an experiment to investigate the effects of hot air on the path of a laser beam.
Spectroscope
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In this activity, learners construct their own spectroscope as they explore and observe spectra from familiar light sources.
Disappearing Crystals
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Learners experiment with water gel crystals, or sodium polyacrylate crystals, which absorb hundreds of times their weight in water. When in pure water, the water gel crystals cannot be seen.
Personal Pinhole Theater
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Have you ever heard of a camera without a lens? In this activity, learners create a pinhole camera out of simple materials. They'll see the world in a whole new way: upside down and backwards!
Terrestrial Hi-Lo Hunt
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In this outdoor activity, learners search for the warmest and coolest, windiest and calmest, wettest and driest, and brightest and darkest spots in an area.
Underwater Hide and Seek
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In this activity, learners experience firsthand how marine animals' adaptive coloration camouflages them from prey.
Build an Overhead Projector Spectroscope
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This activity guide includes instructions for building a spectroscope using a standard classroom overhead projector.