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    In this activity, learners (at least three) work together to explore the effects of atmospheric pressure. A learner (at least 100 lbs) will step inside an extra large trash bag, while another...

    1 cent - $1 per group Ages 14 - 18 10 to 30 minutes
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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!...

    $1 - $5 per student Ages 8 - 18 45 to 60 minutes
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    In this activity, learners explore the question "What is paper?" Learners discover the processes and materials required to make paper while experimenting with different recycled fibers...

    Over $20 per student Ages 8 - 18 1 to 7 days
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    In this activity, learners use a compact disc to make a spectrometer, an instrument used to measure properties of light. Learners use their spectrometer to view a continuous spectrum produced by...

    $1 - $5 per student Ages 11 - 18 30 to 45 minutes
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    In this optics activity, demonstrate diffraction using a candle or a small bright flashlight bulb and a slide made with two pencils. Learners will observe the diffraction pattern and learn that...

    $5 - $10 per student Ages 8 - 18 10 to 30 minutes
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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. Learners construct the photometer by making a grease spot on white paper...

    1 cent - $1 per student Ages 14 - 18 10 to 30 minutes
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    In this activity, learners burn a peanut, which produces a flame that can be used to boil away water and count the calories contained in the peanut. Learners use a formula to calculate the calories...

    $5 - $10 per group Ages 11 - 18 10 to 30 minutes
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    In this science trick, learners get an egg to stand-up on its long-axis vertical to a table's top. Learners use salt grains, which are virtually unnoticeable to viewers, to give an egg's...

    1 cent - $1 per student Ages 8 - 18 5 to 10 minutes
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    In this activity, learners stain fabrics--on purpose! Learners explore the art of natural dyeing by using dyes and substrates that are both derived from plant or animal sources as well as mordant...

    Over $20 per group Ages 11 - 18 1 to 2 hours
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    In this activity, learners overlap the three primary colors to see how all other colors are made. This activity also explains how color can be explained by the subtraction of colors of light,...

    free Ages 11 - 18 10 to 30 minutes

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