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    Oregon Museum of Science and Industry
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    Learners build a simple one-cell battery and use an ammeter to measure the flow of current. They add solutions of sodium sulfate and copper sulfate to separate bowls, and connect the solutions with...

    $10 - $20 per group Ages 11 - adult Under 5 minutes
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    Oregon Museum of Science and Industry
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    Learners test solutions of water, sugar, salt, and hydrochloric acid for electrical conductivity. They immerse leads from a lighting device (a battery pack connected to an LED) into each solution....

    $1 - $5 per group Ages 14 - adult Under 5 minutes
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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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    Oregon Museum of Science and Industry
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    Using electrolysis, learners produce hydrogen gas and oxygen gas from water molecules in a solution. A pH indicator (bromthymol blue) in the water allows learners to observe how the pH of the...

    $10 - $20 per group Ages 6 - adult Under 5 minutes