L5: How do we use electricity?

A device that change the electrical energy into energy of motion

• generator

• electric motor

• electromagnet

A device that change the electric current into magnetism

• generator

• electric motor

• electromagnet

A device that converts mechanical energy into electrical energy

• generator

• electric motor

• electromagnet

Tags

NGSS.MS-ETS1-1

NGSS.MS-PS3-5

Hydroelectric dams are used to produce

• mechanical energy

• electrical energy

• heat energy

Tags

NGSS.HS-PS3-3

electromagnet can be used in

• telephones

• electric bulb

• electric heater

if you place two like poles of magnets near each other , they ................

• repel

• attract

• nothing happen

Tags

NGSS.MS-PS2-3

the electric motor can be used in ..............

• electric bulb

• television

• electric fan

Tags

NGSS.MS-PS3-3

Electricity can come from batteries or an...

• electric power station

• airplane

• hand phone

The electrical equipment we use in school to help us study is ..

• 
• 
• 

The food processor in the picture use ............... to slice food into pieces

• batteries

• light

• electricity