Circuits

This circuit has a battery, buzzer, and switch.When the switch is closed the buzzer will sound because -

• electricity can flow in a complete path

• the wires are cooled by the surrounding air

• the buzzer is made of special plastic

• the switch gives energy to the battery

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112.15.b.6.C

A phone charger has plastic around the metal wire inside. Why is there plastic surrounding the wire?

• metal wire is an insulator

• plastic is an insulator

• plastic is a conductor

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112.15.b.6.C

When you flip a light switch on and off you are closing and opening a circuit.

• true

• false

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112.15.b.6.C

The path an electrical current follows is called

• circuit

• load

• power source

• switch

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112.15.b.6.C

Is this a working circuit?

• Yes

• No

• I'm not sure, I would need to test it myself.

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112.15.b.6.C

Which of the following can work as an energy source?

• Wire

• Light bulb

• Battery

• All of them

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112.15.b.6.C

An example of a conductor is?

• metal paperclip

• glass marble

• wooden golf tee

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112.15.b.6.C

Which of these best completes the circuit?

• rubber band

• metal nail

• shoe lace

• wooden pencil

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112.15.b.6.C

An example of an insulator is?

• metal

• plastic

• brass

• aluminum

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112.15.b.6.C

What is one example of a load?

• Battery

• Light bulb

• Wire

• Eraser

Tags

112.15.b.6.C