Physical Science Benchmark 23-24

What is the definition of a force?

• a push or a pull

• a stopped object

• energy you use

• an object in motion

Which of the following does every force have?

• a push

• a pull

• strength and direction

• direction and speed

When balanced forces act on an object, they make the object move. 

• True

• False

Tags

NGSS.3-PS2-1

Ted pulls Alice in a wagon while Ginger pushes. Evan walks beside them. Which of them is not placing a force on the wagon?

• Ted

• Alice

• Ginger

• Evan

Tags

NGSS.3-PS2-1

Alicia and Samantha are playing tug-o-war, but neither is  moving. What are they demonstrating?

• push and pull

• unbalanced forces

• gravity and friction

• balanced forces

Tags

NGSS.3-PS2-1

Isaac is leaning against a small apple tree. The tree bends slightly when his back pushes it. What force prevents Isaac from falling over backwards?

• gravity will prevent him from falling.

• magnetic force

• The force of Isaac pushing the tree is balanced by the tree pushing back on Isaac.

• The tree cannot hold him, and must break soon. 

Tags

NGSS.MS-PS2-2

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

Nigel discovered he could stick a balloon to a wall after rubbing it on a wool sweater. What is the most likely reason this is happening?

• gravity

• static electricity

• magnetic attraction

• the balloon is repelled by the ground

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What can you conclude about two balloons that seem to push away from each other without touching?

• They both have north poles.

• One has a north pole, the other has a south pole.

• They have the same charge.

• They have opposite charges.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Marcel holds a bar magnet very close to a paper clip. What happened?

• 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-PS2-5