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    Science Friday
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    In this activity, learners explore how an electromagnet works by making a simple one. Using this knowledge, learners design a diagram to make a working speaker using household materials. Then...

    $10 - $20 per group Ages 11 - 14 45 to 60 minutes
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    WGBH
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    In this design challenge activity, learners add headphones to a previously built instrument (see "Build a Band" activity) to make it easier to hear. This lesson plan includes information...

    $5 - $10 per student Ages 8 - 14 45 to 60 minutes
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    Science Museum of Minnesota
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    This is a perfect summertime lunch activity! Pico Cricket is required (micro controller). First, get a bunch of cut up fruit, line them up, then plug a piece of fruit with a Pico Cricket sensor...

    Over $20 per group Ages 8 - adult 45 to 60 minutes
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    Science Museum of Minnesota
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    From this How To slide show, you create an Audio Tape Bow that can play distorted audio sounds by running it across a tape head. Learners will open up cassette tapes and used tape players to see...

    $1 - $5 per student Ages 8 - adult 45 to 60 minutes
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    Center for Engineering and Computing Education, University of South Carolina
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    Learners build a simple electromagnet, then use this electromagnet to transform a yogurt container into a working speaker. They can connect their speaker to a radio and listen as it transmits sound...

    $1 - $5 per group Ages 11 - 14 45 to 60 minutes
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    Science Museum of Minnesota
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    This is a simple activity for learners to create a traditional musical instrument. Pan Pipes have developed all over the world in different cultures, from South America to Greece and China. They...

    $1 - $5 per student Ages 6 - adult 45 to 60 minutes
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    Community Science Workshop Network
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    In this activity, learners build their own sound machines and explore the interplay of motion and sound. This engineering activity introduces learners to automata, rotational motion, cranks and...

    $5 - $10 per student Ages 6 - 14 45 to 60 minutes
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    WGBH
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    Learners explore soybeans, soak them in water to remove their coat, and then split them open to look inside. They also make a musical shaker out of paper cups, a cardboard tube, and soybeans. This...

    1 cent - $1 per student Ages 4 - 11 45 to 60 minutes
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    Community Science Workshop Network
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    In this activity, learners construct a traditional handicraft toy that illustrates a motion commonly associated with violins and earthquakes. This motion has a certain frequency and stays at the...

    $1 - $5 per student Ages 6 - 11 45 to 60 minutes
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    Pratt School of Engineering, Duke University
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    Learners design and create musical instruments from common objects; their challenge is to create an instrument that can make three different tones. They investigate how energy is transferred from...

    $1 - $5 per group Ages 8 - 14 45 to 60 minutes

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