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This activity was designed for blind learners, but all types of learners can use it to build and examine a basic electrical circuit.

In this activity, learners will build a simple electromagnet. They will test variables that would make the electromagnet stronger.

Construct a simple battery that's able to power a small light or motor out of foil, salt water, and charcoal. A helpful video, produced by the Exploratorium, guides you along on this activity.

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.

In this activity, learners light an LED with five cents. Learners use two different metals and some sour, salty water to create a cheap battery.