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    The Exploratorium
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    Make your own speaker with a magnet, wire, and paper cup! If you have a radio with a headphone plug and an old pair of headphones, this is a great tinkering activity.

    $1 - $5 per student Ages 8 - adult 10 to 30 minutes
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    Community Science Workshop Network
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    Cool off in the heat with this project! Learners use simple materials to build a fan that runs on a motor. This activity introduces learners to circuits and switches as well as conduction and...

    $5 - $10 per student Ages 8 - 18 10 to 30 minutes
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    The Exploratorium
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    In this activity about electricity, learners explore what happens when you blow a fuse. Learners short-circuit a battery using copper wire (a good conductor with very low resistance) and thin iron...

    $1 - $5 per student Ages 8 - 14 10 to 30 minutes
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    The Exploratorium
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    In this activity, learners light an LED with five cents. Learners use two different metals and some sour, salty water to create a cheap battery. Learners also have the option of checking the...

    1 cent - $1 per student Ages 8 - 18 10 to 30 minutes
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    Perkins School for the Blind
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    This activity was designed for blind learners, but all types of learners can use it to build and examine a basic electrical circuit. Other activities using the circuit set-up are outlined, such as...

    $5 - $10 per student Ages 11 - 18 10 to 30 minutes
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    Community Science Workshop Network
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    Trick your family and friends with this creepy crawler that moves up and down. In this activity, learners construct a circuit and motor device that will move a homemade spider in a spooky way. Use...

    $5 - $10 per student Ages 6 - 14 10 to 30 minutes
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    Oregon Museum of Science and Industry
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    This is an online game about computer logic. Learners control a robot that navigates a maze of colored shapes, using AND, OR and NOT to decide which ones to jump over. Learners have to notice the...

    free Ages 8 - adult 10 to 30 minutes
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    WGBH
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    In this design challenge activity, learners invent a device that will make their friends and family ask, "What's buzzing?" Learners design an alarm with an on/off switch that is...

    $5 - $10 per student Ages 8 - 14 10 to 30 minutes
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    The Exploratorium
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    In this activity, learners use their strength to light a light bulb. A chain made from paper clips is placed in series with a battery and flashlight bulb. When the chain is stretched, the light...

    $5 - $10 per group Ages 11 - 18 10 to 30 minutes
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    4-H
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    In this activity about electricity, learners identify closed and open circuits. First, learners examine and label diagrams of open and closed circuits. Then, learners build each of the circuits...

    $10 - $20 per group Ages 8 - 14 10 to 30 minutes

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