Big Idea 5 W5 Electricity Review

The filament in a toaster acts like a _____ and changes some of the electrical energy into _____.

• resistor, heat

• conductor, heat

• battery, light

• circuit, light

What does electric current change into after it passes through an LED?

• electrons

• segments

• heat

• photons

Which machine does NOT use an electromagnet?

• LED

• electric motor

• hearing aid

• electric car

Tags

NGSS.MS-PS2-3

In a hearing aid, electrical energy is changed into _____.

• heat waves

• light energy

• sound waves

• mechanical energy

An electric motor changes electrical energy into _____.

• heat energy

• mechanical energy

• light energy

• sound energy

The source of electricity for an electric car is a _____.

• circuit

• resistor

• battery

• LED

What is the flow of electricity called?

• circuit

• conductor

• electric current

• resistor

What is a particle of an atom with a negative charge called?

• photon

• electron

• LED

• switch

Tags

NGSS.MS-PS2-3

What is a device that converts electrical energy into light?

• electric motor

• resistor

• LED

• switch

What is a device that converts sound waves into electric current?

• microphone

• speaker

• filament

• switch