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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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    This activity requires a Pico Cricket (tiny computer). Learners work on designing and building a sound sensor out of household materials, like plastic wrap and cardboard. This will connect with the...

    Over $20 per group Ages 8 - 18 2 to 4 hours
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    Science Museum of Minnesota
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    In this activity, learners explore electricity and conductivity to find that many things conduct electricity including copper, pencil lead, fruit, play-doh, and even people! Learners set up a...

    $1 - $5 per student Ages 8 - 18 30 to 45 minutes
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    Science Museum of Minnesota
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    Make a one-string "guitar" by stringing a cup with some fishing line. You amplify the plucking of the string by placing a piezo contact microphone and mini battery powered amplifier...

    $5 - $10 per student Ages 6 - 18 1 to 2 hours
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    The Exploratorium
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    Make your own simple speaker so you can listen to your favorite radio station. Just wind a coil, attach it to a piece of cardboard or Styrofoam, hold a magnet nearby, and listen. This activity...

    $1 - $5 per student Ages 8 - 18 30 to 45 minutes
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    Science Museum of Minnesota
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    In this game, learners create flash cards with an image on one side (of an animal, for example) and the sound that animal makes on the other. The object of this game is to use your mouth and your...

    $1 - $5 per group Ages 6 - adult 10 to 30 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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    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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    NISE Network
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    In this activity/demo about piezoelectricity, learners discover how some crystals produce electricity when squeezed. Learners investigate the history of piezoelectricity, how it's used, and...

    Over $20 per group Ages 4 - adult 10 to 30 minutes
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    The Exploratorium
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    With a bit of PVC, a laser, a can/cup, and a small mirror, you can make a device that visualizes you voice or any sound transmitted into the cup/can. Make beautiful patterns on a white wall as you...

    free Ages 8 - adult 10 to 30 minutes

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