Unit 5 Electrical and Sound Energy Review

Levi is wanting to light a bulb. What does he need to get the bulb to light?

• A battery and a paper clip

• A battery and a wire

• A paper clip and a wire

• A switch and a wire

If you replace the paper clip with a plastic spoon, what is the plastic spoon acting as?

• A conductor

• A diode

• An insulator

• A switch

Which of these objects is an insulator?

• Copper Wire

• Paper Clip

• Steel Pole

• Rubber Gloves

Tags

NGSS.MS-PS3-3

Which one is a conductor?

• wood

• iron

• plastic spoon

• paper

A form of energy produced by vibrating objects

• vibration

• sound energy

• electrical energy

Tags

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What does a battery do in a circuit?

• turns the lightbulb on and off

• produces energy for the lightbulb

• carries electrical energy to the lightbulb

• changes the electrical energy into light energy

What does a wire do in a circuit?

• turns the lightbulb on and off

• produces energy for the lightbulb

• carries electrical energy to the lightbulb

• changes the electrical energy into light energy

If you replace the paper clip with a metal pin, what is the metal pin acting as?

• A conductor

• A diode

• An insulator

• A switch

Why are wires often coated with plastic?

• the plastic conducts the electric current to people

• the plastic insulates the electric current from people

• the plastic serves no purpose

• the plastic acts as a switch to turn the electric current on or off

Which of the following situations would not produce sound?

• whispering to a classmate

• walking around in the portable building

• an empty room without movement, air conditioning, or heaters

• tapping a tree trunk

Tags

NGSS.MS-PS4-1

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