TCI Electricity

A light bulb converts electrical energy into which of the following?

• light only

• light and motion

• heat and light

• heat only

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NGSS.MS-PS3-5

Many appliances in your home and school use electrical energy. Which of these appliances is intended to convert electrical energy into sound energy?

• printer

• refrigerator

• electric fan

• radio

The illustration below shows one kind of generating station that uses coal to produce electrical power.

Which kind of energy conversion occurs in the generator?

• heat energy into electrical energy

• energy of motion into electrical energy

• electrical energy into energy of motion

• electrical energy into heat energy and energy of motion

Tags

NGSS.MS-PS3-5

This illustration shows some of the parts of an electric power grid.

At which part of this grid is electrical energy produced from other types of energy?

• substation

• distribution line

• transmission lines

• generating station

The picture below shows a device made of a battery, a nail, and a long piece of copper wire. It converts electrical energy into a different form of energy.

Which term below describes the device in the illustration?

• electric switch

• electromagnet

• electric motor

• electric generator

Which of these generating stations uses a renewable source of energy?

• coal plant

• nuclear power plant

• natural gas generator

• hydroelectric generator

What is the name for a machine that changes electrical energy into energy of motion?

• electric switch

• electromagnet

• electric motor

• electric generator

Tags

NGSS.MS-PS3-5

How are a generator and an electromagnet alike? How are they different?

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NGSS.MS-PS2-3

NGSS.MS-PS2-5