A push or pull on an object, causing it to move, stop, or change direction.

• motion

• gravity

• force

• inertia

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

The act of applying force to move something away

• Push

• Pull

• Motion

• Friction

7. A ball is sitting loose in the moving wagon pictured below. If the wagon stops suddenly, the ball will

• A. stop immediately with the wagon

• B. roll forward in the wagon and fall off

• C. both the wagon and the ball will crash

• D. stay exactly where it is

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Rougher surfaces have ...

• greater friction

• less friction

• the same level of friction

• no friction

When students were playing tug of war, the rope did not move even though they were pulling the rope as hard as they could. What was happening?

• The rope had an unbalace force.

• The rope had a balanced force.

• The students were not strong enough to pull the rope.

• They needed someone as big and strong as Mr. Patino.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

a force that attracts things to Earth.

• gravity

• force

• inertia

• motion

Tags

NGSS.MS-PS2-4

Juan is throwing a ball in the air. Which picture shows the ball that will take the longest to hit the ground.

• 
• 
• 
• 

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

Which of the following is a question about forces that could 

be tested in a school laboratory investigation?

• Which of the following is a question about 

  forces that could be tested in a school 

  laboratory investigation?

• How does friction effect the motion 

  of a rolling object?

• Does gravity exist in all 

  parts of the universe?

• Which toy car has the greatest mass?

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

A force that acts in an opposite direction to movement between two surfaces that are in contact with one another

• Force

• Friction

• Gravity

• Magnetism

_____ is the force that slows and stops motion between touching objects.

• Friction

• Gravity

• Pull

• Push

Tags

NGSS.3-PS2-1