Tennessee Comprehensive Assessment Program (TCAP) Science - Grade 4 Practice Questions - Tennessee Comprehensive Assessment Program (TCAP) Science Grade 4 Exam

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A student connects a battery, wires, a lightbulb, and a switch in a simple circuit. What is the main purpose of the switch in this electric circuit?

To produce electrical energy without needing a battery To change the color of the light emitted by the lightbulb To open or close the circuit to control the flow of electricity To increase the total amount of energy stored inside the wires

Correct Answer:

To open or close the circuit to control the flow of electricity

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