B.3 Science Test Review

When an object has a balance of negative and positive charges, there is a shock.

• True

• False

Electric shock happens when there are more negative charges than positive charges.

• True

• False

Tags

NGSS.MS-PS2-3

What happens when you have different charges?

• They pull together.

• They push apart.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What happens when two objects have the same charges?

• They pull together.

• They push apart.

Tags

NGSS.MS-PS2-3

Atoms That have a positive charge will be attracted to atoms with a ______________ charge.

• positive

• negative

• no charge

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What is another word for push apart?

• repel

• attract

• disappear

What is the measure of how much material opposes the flow of electric current and changes electric current to heat energy?

• resistance

• conductor

• insulator

Which is a material through which electric current passes easily?

• conductor

• insulator

Which is a material through which electric current does not pass easily?

• conductor

• insulator

Electric charges that are alike _______ each other.

• Attract
• Repel

Tags

NGSS.MS-PS2-5