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    The Exploratorium
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    This is an activity that demonstrates how batteries work using simple household materials. Learners use a pickle, aluminum foil and a pencil to create an electrical circuit that powers a buzzer....

    $5 - $10 per group Ages 11 - 18 30 to 45 minutes
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    WGBH
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    In this design challenge activity, learners build a car that uses a battery-operated motor to "drive" at least ten feet. Educators can use this activity as a fun, hands-on way to...

    $5 - $10 per student Ages 8 - 14 30 to 45 minutes
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    The Exploratorium
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    In this activity, learners construct a device out of a piezoelectric igniter, like those used as barbecue lighters. Learners use the device to remotely start current flowing in a simple series...

    $5 - $10 per student Ages 11 - 18 30 to 45 minutes
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    American Physical Society
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    Learners drop a magnet through a coil of wire to create electric current in a circuit. LEDs in the circuit allow learners to detect the direction of current flow. Learners see that the direction in...

    $5 - $10 per group Ages 11 - 18 30 to 45 minutes
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    Museum of Science and Industry, Chicago
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    Learners make a circuit board that has questions and answers. When the correct answer is chosen for a question, a circuit is completed and a light illuminates. Use this activity to introduce...

    $5 - $10 per student Ages 8 - 14 30 to 45 minutes
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    Community Science Workshop Network
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    In this activity, learners build a bird that flies in place with help from a motor, wire, and some straws. This engineering activity introduces learners to circuits and motors, automata, and...

    $5 - $10 per student Ages 6 - 14 30 to 45 minutes