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The scattering of light by the atmosphere, which creates the blue sky and red sunsets, can be modeled when light from a flashlight shines through clear glue sticks. |
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Use gelatin as a smoked lens, to view total internal reflection, and as a color filter. |
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Create the image of an object in space using a $2 ornament. |
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A photometer made by making a grease spot on white paper can be used to compare the brightness of the sun to the brightness of a lamp. By finding a position at which the sun is as bright as the lamp the power output of the sun can be estimated. |
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