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    Institute of Physics
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    In this indoor or outdoor demonstration, use a large and small ball to illustrate conservation of energy and momentum. Learners will compare how high the balls bounce when bounced individually or...

    free Ages 4 - adult Under 5 minutes
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    NASA
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    In this Engineering Design Challenge activity, learners will use balloons to investigate how a multi-stage rocket, like that used in the Interstellar Boundary Explorer (IBEX) mission, can propel a...

    $1 - $5 per student Ages 8 - adult 10 to 30 minutes
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    Institute of Physics
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    This is a highly visual demonstration that illustrates both the effects of density and chemical reactions. Like a density column, volcano eruption, and Alka-seltzer reaction all in one, learners...

    $1 - $5 per group Ages 4 - adult 5 to 10 minutes
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    Science Museum of Minnesota
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    Break open that used musical toy and squish some Play-Doh over the circuit boards, and you will hear some weird and distorted sounds the manufacturer never intended! In this activity learners...

    $1 - $5 per student Ages 4 - adult 45 to 60 minutes
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    Make
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    In this activity, learners use ABS pipe and an air leaf blower to make a strong shooting machine. This model utilizes Bernoulli's principle to create an area of low air pressure so that ping...

    Over $20 per group Ages 11 - adult 1 to 2 hours
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    Oregon Museum of Science and Industry
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    Learners observe and compare the sizes of three toy “growing” crocodiles made from water-absorbent polymers. One is it its original state, dry, hard, and about 10cm long. One is immersed in salt...

    $5 - $10 per group Ages 6 - adult 1 to 7 days
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    Oregon Museum of Science and Industry
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    Make a classic polymer toy using Borax and white glue! It's stretchy and bouncy and acts sort of like a solid and sort of like a liquid (similar to Silly Putty). This recipe suggests ways to...

    $1 - $5 per group Ages 4 - adult 10 to 30 minutes
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    University of Wisconsin-Madison
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    In this activity (pages 17-31), learners are introduced to techniques that are used to determine the structures of solid materials. Building or disassembling an instrument built from LEGO bricks...

    $5 - $10 per group Ages 14 - adult 1 to 2 hours
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    University of Wisconsin-Madison
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    In this activity (pages 32-41), learners learn how the atomic and molecular arrangement of matter are related to physical properties. This activity also introduces materials at the cutting edge of...

    $5 - $10 per group Ages 14 - adult 45 to 60 minutes
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    Oregon Museum of Science and Industry
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    Learners observe working lava lamps to understand how they work (included in PDF link). Learners discover that liquids may not be miscible, or won't mix together, because of differences in...

    $10 - $20 per group Ages 8 - adult 10 to 30 minutes

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