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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...
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....
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....
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...