Electric & Circuits Vocabulary

The best conductors for electricity are made of...

• wood
• plastic
• rubber
• metal

An object through which electrons can easily flow is called a(n) ___________.

• Conductor
• Insulator

____________ stops the flow of electricity.

• A conductor
• An insulator
• A magnet

Identify the conductor below.

• cloth rag
• plastic bottle
• gold ring

wood is a _____?

• conductor
• insulator

You know that the object connected to the wires is a conductor because:

• The light bulb is glowing bright.
• It's a complete circuit.
• It's a closed circuit.
• The object is shiny.

Follow the path.

Which image demonstrates a flow of electrical current ?

• 
• 

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

• the switch gives energy to the battery
• the buzzer is made of special plastic
• the wires are cooled by the surrounding air
• electricity can flow in a complete path

Tags

NGSS.MS-PS3-5

This circuit won't work. What essential part is missing from this circuit?

• resistance
• source of electric current
• conductor
• ammeter

A ______ opens and closes a circuit. 

• power source
• conductor
• switch
• output device