Circuits

What is electrical energy?

• Energy that comes from the sun.

• Energy that comes from moving electrons.

• Energy that comes from burning coal.

• Energy that comes from water.

What are electrons?

• Large particles that make up the sun.

• Particles that carry a positive charge.

• Very small particles that carry a negative charge.

• Particles that do not move.

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Which of the following is an energy source?

• A lightbulb.

• A battery.

• A fan.

• A switch.

What is a load in an electrical circuit?

• A device that stores energy.

• A device that uses electricity to do work.

• A device that controls the flow of electricity.

• A device that generates electricity.

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What does a switch do in an electrical circuit?

• Generates electricity.

• Stores electricity.

• Controls the flow of electricity.

• Uses electricity to do work.

What is an open circuit?

• A complete loop through which electricity flows.

• A loop that is open at some point, preventing electricity from flowing.

• A circuit that has a switch turned on.

• A circuit that has a battery.

What is a closed circuit?

• A loop that is open at some point.

• A circuit with a broken wire.

• A complete loop through which electricity flows.

• A circuit without a load.

Which of the following is NOT an example of a load?

• A lightbulb.

• A motor.

• A battery.

• A fan.

What happens when electrons move through wires?

• They create heat energy.

• They create electrical energy.

• They create sound energy.

• They create light energy.

Which of the following can be an energy source for electricity?

• A lightbulb.

• A power plant.

• A fan.

• A switch.