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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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    IEEE
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    In this activity, learners explore how musical instruments are engineered. Learners explore how mass manufacturing impacted the recorder, and then work in teams to design their own musical...

    $10 - $20 per group Ages 8 - 18 1 to 2 hours
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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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    Science Museum of Minnesota
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    Put on a pair of gloves and be the conductor of your invisible orchestra! Use the Pico Cricket (micro-controller) light sensor to detect your hand movements, then program the Pico Cricket to play...

    Over $20 per student Ages 8 - adult 45 to 60 minutes
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    The Exploratorium
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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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    Science Museum of Minnesota
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    In this activity, learners construct wands that play different notes depending on information from light sensors programmed via a PICO Cricket. As learners move the wands around, they expose the...

    $5 - $10 per student Ages 11 - 18 30 to 45 minutes
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    Science Museum of Minnesota
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    What's a Pickle-Oh? Two pieces of pickle on a stick are connected to a Pico Cricket (micro controller). When you slide the pickles apart the note changes. You can also expand on the activity...

    Over $20 per student Ages 8 - 18 10 to 30 minutes
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    Science Museum of Minnesota
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    Play-Doh is conductive! Use the semiconductive qualities of Play-Doh to make your own squeezable instrument. Pico Cricket is required. This activity is great as a walk-up activity for all ages, and...

    Over $20 per group Ages 6 - adult 45 to 60 minutes
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    The Exploratorium
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    In this group activity, learners see and hear the speed of sound. A learner designated the "gonger" hits a gong, once every second, as the rest of the group watches and listens from a...

    $1 - $5 per group Ages 11 - 18 10 to 30 minutes

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