3rd Grade Science Force and Motion ........after

After the swing is released, what causes the swing to move toward you again?

• magnetism

• air pressure

• air resistance

• gravity

The main reason a baseball comes down when a boy tosses it up into the air is...

• a magnetism is pulling the ball down

• the boy cannot see to catch it

• gravity is pulling down on the ball

• gravity pushes the ball in the air

The magnet will attract all of the following except

• a nail

• another magnet

• steel scissors

• a penny

What will most likely occur as the magnet gets closer to the steel paper clip?

• The paper clip will begin to move closer to the magnet

• The paper clip will move away from the magnet.

• The paper clip will vibrate and shake.

• The paper clip will not interact with the magnet

Which of the objects listed are most likely in motion because of the force of gravity?

• 2) The second hand on the clock was spinning.

  3) A ball stuck to a metal chair was pulled away from the

• 5) A student pushed the door to the classroom open

  6) A student rolled a pencil back and forth on the desk.

• 1) A ball rolled down the hill.

  4) A book fell from the shelf and hit the floor

• 3) A ball stuck to a metal chair was pulled away from the chair and when let go, it rolled quickly back to the chair.

  6) A student rolled a pencil back and forth on the desk.

A student throws a paper airplane into the air, as seen above . What is the main reason a paper airplane changes direction after it is thrown into the air?

• Magnetism pulls the paper airplane down.

• Magnetism pushes the paper airplane up.

• Gravity pulls down on the paper airplane.

• Gravity pushes the paper airplane up.

When a person pulls down on the rope, how will the box move?

• The box will move down.

• The box will not move at all.

• The box will move up.

• The box will move from side to side.

What should the teacher do in order to raise the U.S. flag?

• Push on the rope upward

• Pull on the rope downward

• Push on the rope toward the left

• Pull the rope toward his body

The boy in the picture is doing work to move the wagon. what could happen to the boy and wagon that would cause no work to be done?

• The boy could slow down and take a longer time pulling the wagon across the room.

• The boy could turn around and pull the wagon back to the side of the room where he started.

• Another boy could start pulling the other side of the wagon so that it would not move.

• Another boy could start pushing from the other side so that the wagon is easier to move.

What should the student do to move the wagon farther away from himself?

• Push on the handle of the wagon.

• Pull on the handle of the wagon.

• Sit on top of the wagon.

• Lift the wagon.