Lesson Check Electricity

What happens to charged particles when two objects touch?

• nothing ever happens

• they are released into the air

• they lose their charge

• they can move from one object to the other

Two negatively charged balloons with _________ each other.

• attract

• repel

Tags

NGSS.MS-PS2-3

A flow of electrical charges is known as ___________.

• resistance

• electrical current

• static electricty

• voltage

An object with a positive charge and an object with a negative charge will _____________ each other.

• attract

• repel

Electrical charges can either be positive or ______________.

• closed

• negative

• balanced

• absorbed

The buildup of electrical charges on the surface of different objects causes ______________.

• resistance

• friction

• static electricity

• voltage

What are some products that use electric currents to produce light, sound, or motion? Select all that apply.

• radio

• lamp

• candle

• blender

• windmill

Tags

NGSS.MS-PS4-1

Static electricity is the build up of __________ particles.

• charged

• uncharged