How Do We Use Electricity?

A device that changes electrical energy into mechanical energy.

• electric motor

• magnet

• electromagnet

• generator

An object that attracts iron and a few other, but not all, metals.

• electric motor

• magnet

• electromagnet

• generator

Tags

NGSS.MS-PS2-3

A temporary magnet caused by an electric current.

• electric motor

• magnet

• electromagnet

• generator

A device that makes an electric current by converting mechanical energy to electric energy.

• electric motor

• magnet

• electromagnet

• generator

Which device uses electricity?

• ceiling fan

• shelf

• sofa

• towel

Tags

NGSS.4-PS3-2

The electric forces are strongest around a magnet's poles.

• true

• false

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Huge electromagnets are used in junkyards.

• true

• false

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

The mechanical energy of falling water used to turn on generators, which change mechanical energy into electrical energy. Use page 250 if you need to.

• hydroelectric dam

• windmills

• wind turbines

• generator

Tags

NGSS.MS-PS3-5

This lesson is about

• swimming

• using energy

• ipads

• school

Tags

NGSS.MS-PS3-5

Magnets have two ends, or poles. What are the names of these ends, or poles?

• East and West

• East and North

• North and South

• West and South