Unit 1 Module 3 Review

A compass needle’s magnetic north pole points toward which of the following?

• Earth's magnetic field

• Earth's magnetic axis

• Earth's rotational axis

Answer explanation

Two objects will experience an electric force of attraction when they have ____.

• opposite charge

• like charge

• no charges

• the same amount of charge

Tags

NGSS.MS-PS2-3

The south pole of a magnet ______________________.

• repels a nail

• attracts a north pole

• attracts another south pole

• repels a north pole

Tags

NGSS.3-PS2-3

When you bring the south ends of two magnets close together, they _____________________ each other

• attract

• cancel

• repel

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Two objects will attract in the same magnetic field when they have _______________________

• no attraction

• opposite poles

• like poles

A material through which electrons can move easily is a _____.

• magnet

• insulator

• charge

• conductor

Which conditions would prevent an electric current in a circuit and stop any energy transfer from happening? Choose three.

• disconnecting a wire

• removing the battery

• closing a switch

• opening a switch

• adding a second battery

Tags

NGSS.MS-PS3-5

Adding which object to a circuit will create a potential energy difference in a circuit?

• switch

• wire

• light bulb

• battery

When an object has more negative charge than positive charge, the object is called ____.

• electric discharge

• electrically charged

• magnetic domain

• electric field

As the amount of charge on either of two charged objects increases, the electric force

between the objects ______________________

• decreases

• increases

• stays the same

Tags

NGSS.MS-PS2-3