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Build a Battery
Oregon Museum of Science and IndustryAdd to list DetailsLearners 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...
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Currently Working
Oregon Museum of Science and IndustryAdd to list DetailsLearners 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....
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Power To Go
Oregon Museum of Science and IndustryAdd to list DetailsLearners 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....
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Electrolysis
Oregon Museum of Science and IndustryAdd to list DetailsUsing 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...