Static Electricity

Two balloons are hanging from a stick.

Both balloons have a positive charge.

How would you expect the balloons to move?

• there would be no movement

• towards each other

• away from each other

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Two balloons are hanging from a stick.

One balloon has a positive charge and the other has a negative charge.

How would you expect the balloons to move?

• there would be no movement

• towards each other

• away from each other

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

The ball on the string is being repelled (pushed away) by the metal bar.

What must be the charge on the ball?

• postivie

• neutral

• negative

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Read the following statements about electric force. Which statement is NOT CORRECT?

• The smaller the distance between 2 charged particles, the stronger the electric force.

• The higher the charges involved, the stronger the electric force.

• The greater the distance between 2 charged particles, the weaker the electric force.

• The smaller the distance between 2 charged particles, the weaker the electric force.

Tags

NGSS.MS-PS2-3

Look at the set of objects to the right. We could

increase the electric force between Object A and

Object B by each of the following EXCEPT:

• Pushing them farther apart.

• Increasing the difference between their charges.

• Moving them closer together.

• Adding lots of negative charges to Object A.

Tags

NGSS.MS-PS2-3

Electrons have a _________________ charge.

• neutral

• positive

• negative

Tags

NGSS.MS-PS2-3

Protons have a ________________ charge.

• neutral

• positive

• negative

Which of the following is true?

• Electric charge is transferred only when all objects have balanced charges.

• Electric charge is transferred when electrons move.

• Electric charge is transferred when protons move.

• Electric charge is transferred when protons and neutrons change places.

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NGSS.HS-PS1-2

NGSS.HS-PS3-5

The build up of electric charges on the surface of objects is known as

• electricity

• static electricity

• a circult

• electric force

An area over which an electric charge is exerted is called an

• conductor

• insulator

• circuit

• electric filed

Tags

NGSS.MS-PS2-5