Wisconsin Forward Exam Science - Grade 4 Practice Questions - Wisconsin Forward Exam Science Grade 4 Exam

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Students build a simple electrical circuit using a battery, copper wires, a switch, and a small light bulb. Which energy transformation occurs when the switch is closed?

Sound energy converts into stored gravitational potential energy. Light energy converts into magnetic energy inside the wire. Mechanical energy converts into wind energy inside the battery. Electrical energy converts into light energy and thermal energy in the bulb.

Correct Answer:

Electrical energy converts into light energy and thermal energy in the bulb.

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