Forces and Motion Unit 2 Review

A boy tried to reach a balloon tied to a branch by jumping. What happened as he jumped to grab the balloon?

• Jumping was a pull that made the balloon come down.

• The balloon moved closer to him because he jumped

• His body used a push to lift him higher.

• Jumping off the ground was a push that helped him change his position.

When a girl throws a ball upward, what causes it to fall back down?

• the wind blows it down

• gravity pulls it down

• the ball is too heavy

• the sun heats it up

Tags

NGSS.3-PS2-1

NGSS.5-PS2-1

What is most likely to happen if a magnet is placed near a group of steel paper clips?

• The paper clips will be attracted to the magnet and move closer.

• The paper clips will repel the magnet.

• The paper clips will remain unaffected.

• The paper clips will start spinning rapidly.

Tags

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After a student throws a ball to someone, it starts to move downward after reaching its highest point. Which force is mainly responsible for this change in motion?

• Friction pushes the ball forward.

• Air resistance lifts the ball up.

• Gravity pulls the ball toward the ground.

• Electricity pushes the ball sideways.

Tags

NGSS.MS-PS2-2

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Which of the following scenarios best demonstrates an object moving due to the force of gravity?

1) A rock dropped from a bridge falls into the river below.

2) A student spins a top on the floor.

3) A paperclip being pulled across a table because of a force being applied

4) A person throws a frisbee across the park.

5) A car moves forward when the driver presses the gas pedal.

6) A balloon falls from the air after being popped.

• 2 and 3

• 4 and 5

• 1 and 6

• 3 and 6

Tags

NGSS.MS-PS2-4

Which object above is most likely in motion because of the force of magnetism?

1) A rock dropped from a bridge falls into the river below.

2) A student spins a top on the floor.

3) A paperclip being pulled across a table because of a force being applied

4) A person throws a frisbee across the park.

5) A car moves forward when the driver presses the gas pedal.

6) A balloon falls from the air after being popped.

• 2 and 3

• 5

• 3

• 4 and 6

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

A fan blows a ping pong ball into the air. What will most likely happen to the ball after the fan is turned off?

• The ball will float in the air because of magnetism.

• The ball will stay in the air because of gravity.

• The ball will fall down because of gravity.

• The ball will rise higher because of magnetism.

Tags

NGSS.MS-PS2-2

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When you jump up, you come back down to the ground. What force causes you to return to the ground?

• Friction

• Gravity

• Electricity

• Light

Tags

NGSS.MS-PS2-4

When a magnet pulls paper clips toward itself, what kind of force is being shown?

• Friction

• Gravity

• Pull

• Push

Tags

NGSS.3-PS2-3

A girl is holding a rope attached to a sled. If she walks backward, what will happen to the sled?

• The sled will be pushed.

• The sled will move by itself.

• The sled will be pulled.

• The sled will stay in place.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2