Circuits and conductivity

What is the main source of current(power) in a circuit?

• wire

• light bulb

• battery

• insulator

What carries electrical energy to the lightbulb?

• wire

• light bulb

• switch

• battery

What turns the circuit on and off?

• conductor

• insulator

• switch

• light bulb

What changes electrical energy to light energy?

• switch

• light bulb

• battery

• conductor

What appliance converts (changes) ELECTRICAL energy to HEAT energy?

• gas clothes dryer

• calculator

• hair dryer

• cell phone

A _____ is a pathway for the flow of electricity.

• receiver

• wire

• switch

• circuit

A/An ____________ is a material that electricity CANNOT pass through easily.

• Conductor

• Insulator

• wire

• switch

Material that electricity CAN pass through easily is called a/an ________________.

• conductor

• insulator

Only one of the circuits below would work to light the light bulb. Choose the circuit below that would make the light bulb light up.

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Tags

NGSS.3-PS2-3

NGSS.4-PS3-2

conducts electricity around a circuit

• wire

• insulator

• light bulb

• switch