Physical Science

What is the definition of a force?

• a push or a pull

• a stopped object

• energy you use

• an object in motion

What happens to the strength of magnetic forces as magnets move farther apart?

• gets stronger

• gets weaker

• stays the same

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Amy is sitting in a wagon. Ted is pulling the wagon and Jill is pushing the wagon. Ed is walking next to the wagon. Which person is NOT placing a force on the wagon?

• Amy

• Ted

• Jill

• Ed

Tags

NGSS.MS-PS2-2

Which force can you observe if you ride in a horse-drawn carriage?

• The horse pulls the carriage from behind.

• The horse uses a pull to make the carriage move.

• Gravity keeps the carriage rolling.

• Balanced forces move the horse.

Tags

NGSS.MS-PS2-1

What force is Jenn using to change the direction of motion of the ball?

• pull

• push

• friction

• gravity

Tags

NGSS.MS-PS2-2

Harry was able to push a small toy car. When he tried to push a bigger car, he could not move it. What does Harry need?

• more force

• less gravity

• more direction

• less speed

Tags

NGSS.MS-PS2-2

What pattern can you see?

• Both swings move back and forth at the same speed.

• The junior swing moves faster than the swing with the longer chain.

• The junior swing moves slower then the swing with a longer chain.

• There is no pattern.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-1

Which set of magnetic poles will attract each other?

• N,S

• N,N

• S,S

• E,W

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Mike holds a bar magnet very close to a paper clip. What will happen?

• The paper clip is repelled from the magnet.

• The paper clip is pushed away from the magnet.

• The paper clip is attracted to and moves to the magnet.

• The paper clip has balanced forces acting on it when it moves to the magnet.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Max places the same poles of two bar magnets near each other. What will the magnetic forces do?

• attract the magnets to each other

• repel the magnets from each other

• cause the magnets to spin

• become an unbalanced net zero force

Tags

NGSS.MS-PS2-3