4th Grade Magnets and Electrically Charged Objects Assessment

Cassie holds a magnet over an iron nail. The nail is pulled toward the magnet before the magnet touches it. Which of the following is true about magnetism?

• Magnetism is not a force so it cannot move an object.

• Magnetism is a force that produces motion without touching an object.

• Magnetism is a force that must touch an object in order to move it.

• Magnetism is a force that can be seen in the air as it moves an object.

Jaylen discovered that his magnet attracted a metal paper clip. What must be true about the paper clip?

• The paper clip contains rubber.

• The paper clip contains iron.

• The paper clip contains wood.

• The paper clip contains glass.

Morgan rubs a balloon on her hair. The balloon is now able to stick to the wall. The balloon is an example of

• an electrically charged object

• a magnetic force

• poles

• iron

Two electrically charged objects are shown in the picture below. What will happen to the two objects when they interact?

• The objects will repel and push away from each other.

• The objects will move in the same direction.

• The objects will not affect each other.

• The objects will attract and pull toward each other.

What will happen to the motion of Magnet 2 as Magnet 1 gets closer?

• Magnet 2 will be repelled or pushed away from Magnet 1

• Magnet 2 will be attracted or pulled toward Magnet 1.

• Magnet 2 will not be affected by Magnet 1.

• Magnet 2 will spin around.

A large magnet is placed over a group of empty soda cans. What will happen when the magnet gets very close to the cans?

• The labels will fall off the cans.

• The cans will be filled with soda again.

• The magnet will attract and pick up only the cans that contain iron.

• The magnet will attract and pick up all the cans because they are metal.

Two electrically charged objects are shown in the picture below. What will happen to the two objects when they interact?

• The objects will repel and push away from each other.

• The objects will move in the same direction.

• The objects will not affect each other.

• The objects will attract and pull toward each other.

Which of the following statements are true about magnets?

• Magnets have an invisible force field that can cause some objects to move without touching.

• Magnets attract some metals but not all of them.

• Magnets have poles that attract or repel each other.

• All of these statements about magnets are true.

What will happen to the motion of Magnet 2 as Magnet 1 gets closer?

• Magnet 2 will be repelled or pushed away from Magnet 1

• Magnet 2 will be attracted or pulled toward Magnet 1.

• Magnet 2 will not be affected by Magnet 1.

• Magnet 2 will be attracted to Magnet 1 then spin around.

A metal ball has an electrical charge. What will happen when it is brought near another metal ball with the same electrical charge?

• The two metal balls will be pulled toward each other.

• The two metal balls will be pushed away from each other.

• The two metal balls will touch and move in circles around each other.

• The two metal balls will touch and remain connected with each other.