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    The Exploratorium
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    Create a simple dual pendulum and get them to swing in identical ways. This is a simple, low cost, activity produced by the Exploratorium.

    1 cent - $1 per student Ages 6 - adult Under 5 minutes
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    Oregon Museum of Science and Industry
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    In this activity, learners explore acids and bases by preparing six solutions that combine vinegar and ammonia, ranging from acid (all vinegar) to base (all ammonia). They add an indicator to each...

    $5 - $10 per group Ages 8 - adult Under 5 minutes
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    Oregon Museum of Science and Industry
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    Learners use a universal indicator to test the amount of sodium hydroxide needed to change the pH of plain water compared with the amount needed to change the pH of gelatin. Learners discover that...

    $1 - $5 per group Ages 14 - adult Under 5 minutes
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    Colorado State University
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    In this quick activity/demonstration about density, learners examine what happens when two cans of root beer--one diet and one regular--are placed in a large container of water. Do they sink or...

    1 cent - $1 per group Ages 4 - 14 Under 5 minutes
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    Oregon Museum of Science and Industry
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    Learners analyze mixtures of dyes using filter paper chromatography. They place spots of the different dyes at the bottom of a piece of filter paper, and hang the paper to touch the surface of...

    $1 - $5 per group Ages 8 - adult Under 5 minutes
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    WGBH
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    In this activity, learners make some music by constructing a kazoo out of a simple plastic drinking straw. Use this activity to explore sound, vibrations, and music. Learners can experiment with...

    1 cent - $1 per student Ages 6 - 11 Under 5 minutes
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    Del Monte
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    Conduct a simple experiment to explore how temperature changes can make things expand or contract. Investigate how the heat from your hands warms air in a bottle and lifts a penny sitting on the...

    1 cent - $1 per group Ages 6 - 14 Under 5 minutes
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    Colorado State University
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    This is a quick, yet dramatic activity/demonstration that introduces learners to the concept of energy transfer. A small ball is placed on top of a large ball and both are dropped together. The...

    free Ages 6 - 14 Under 5 minutes
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    The Exploratorium
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    Listen to the beat of gravity. By taking two strings with weights tied to them at different, yet uniform intervals, you can hear the uniformity (and rhythm) of gravity's accelerating pull.

    1 cent - $1 per student Ages 6 - 14 Under 5 minutes
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    WGBH
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    In this physics activity, challenge learners to remove the bottom coin of a stack of nickels without knocking over the stack. Use this activity to demonstrate friction.

    free Ages 6 - 11 Under 5 minutes

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