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    Make
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    In this activity, learners take apart a used zinc-carbon dry cell battery. Besides making for an interesting lesson in electrochemistry, taking apart a spent D-cell also allows learners to salvage...

    $1 - $5 per student Ages 11 - adult 45 to 60 minutes
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    Oregon Museum of Science and Industry
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    This is a series of demonstrations about different electrical and magnetic phenomena. Some require highly specialized equipment like a Wimshurst machine, while others involve very simple equipment...

    Over $20 per group Ages 11 - 18 45 to 60 minutes
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    Oregon Museum of Science and Industry
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    Learners explore how recyclers take advantage of the different properties of materials, such as magnetism and density, to separate them from a mixture. They use a magnet and floatation to separate...

    1 cent - $1 per group Ages 4 - 14 Under 5 minutes
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    Oregon Museum of Science and Industry
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    Learners place their hands on different metals and use an ammeter to monitor the flow of electricity from one metal to another. They become part of a complete circuit, allowing electrons to flow...

    $10 - $20 per group Ages 8 - 18 5 to 10 minutes
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    The Exploratorium
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    In this activity about chemistry and electricity, learners form a battery by placing their hands onto plates of different metals. Learners detect the current by reading a DC microammeter attached...

    $5 - $10 per group Ages 6 - 14 10 to 30 minutes
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    Lawrence Hall of Science
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    In this outdoor, night activity, learners track nocturnal animals' footprints, droppings and other signs of their presence. By setting out animal bait that has nontoxic, blacklight fluorescent...

    Over $20 per group Ages 6 - 14 1 to 7 days
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    Twin Cities Public Television
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    This activity (on page 3 of the PDF) is a full inquiry investigation into conductivity. Learners will harness the surprising electricity of fruit when they create a battery out of a lemon stuck...

    $5 - $10 per student Ages 8 - 14 1 to 2 hours
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    Oregon Museum of Science and Industry
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    In this activity, learners electrically plate zinc onto brass objects. They connect a brass object to a black wire on the negative pole of a 6 Volt battery, and a piece of zinc to a red wire on the...

    1 cent - $1 per group Ages 11 - adult Under 5 minutes
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    4-H
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    In this activity, learners create a battery from fruit. This activity helps learners explore electricity, electrochemistry, and series circuits as well as the process of scientific inquiry....

    Over $20 per group Ages 8 - 14 1 to 2 hours
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    Oregon Museum of Science and Industry
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    Learners observe an electrochemical cell constructed from a small jar containing zinc and copper strips immersed in separate solutions. The strips are connected to a motor that turns a small fan....

    $5 - $10 per group Ages 11 - adult 10 to 30 minutes

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