4th Grade Science Module 6-Electricity

You are made of matter. Like color and hardness, electrical ______ is a property of matter.

Tags

NGSS.MS-PS2-3

What are the two types of electrical charges?

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Answer explanation

The two types of electrical charges are positive and negative.

Tags

NGSS.MS-PS2-3

This picture shows that two positive charges repel each other. Tell what happens with two negative charges and with opposite charges. (speak clearly into your microphone and turn your camera on).

30 sec video

Answer explanation

A Two positive (+) charges repel each other. So do negative (-) charges. Opposite charges attract each other.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

The buildup of electrical charges on an object is called ______ electricity.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Can you tell me why two of the balloons are attracted to each other?

(Hint-count the positive and negative charges in each baloon)

30 sec video

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Look closely at the balloon and the wall. The charges in the balloon cause charges in the wall to move. The balloon is then _________ to the wall.

Answer explanation

A The charges in the balloon cause charges in the wall to move. The balloon is then attracted to the wall.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Match the following

• discharge of static electricity inside a storm cloud

• insulators

• materials that do not let charges flow through them easily

• discharge

• the movement of static electricity from one object to another

• conductors

• materials that let charges flow through them easily

• lightning

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Match the following

• the path along which electric current flows

• circuit

• a flow of electrical charges

• switch

• turns electric current on and off

• electric current

• a complete, unbroken circuit

• closed circuit

The switch in this current is _____. That means that electric current cannot flow.

The switch is closed here. Explain what happens with the electric current when the switch is closed.

30 sec video