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Latent Prints
Source Institutions
In this activity, learners examine fingerprints. Learners leave a hidden print on a surface and then make their own print detecting powder from graphite (found in pencils).
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Build a Battery
Source Institutions
Learners make a simple battery out of "sandwiches" of aluminum foil, pennies, and a salt water-soaked paper towel.
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Power To Go
Source Institutions
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.
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History of Electricity
Source Institutions
This is a series of demonstrations about different electrical and magnetic phenomena.
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Lost Labels
Source Institutions
In this experiment, learners will conduct chemical and physical tests to identify mystery substances.