What is a force that opposes motion between two surfaces?

• friction
• acceleration
• velocity
• motion

What is the difference between mass and weight?

• mass is how much matter is in an object, and weight is the gravitational pull on that object
• mass and weight are the same
• weight affects how much mass is in an object
• weight is determined by how many atoms make up an object

Tags

NGSS.MS-PS2-4

What slows down the motion of an object or keeps it from starting?

• mass
• friction
• gravity
• magnetism

What are two examples of forces?

• Art and Music
• A push or pull
• A stand or ground
• The dark side and the light side

What pulls a ball back to earth?

• Gas
• Gravity
• Friction
• Molecules

Tags

NGSS.MS-PS2-4

The picture of the position vs. time graph shows an object that is...

• accelerating/speeding up
• moving at a constant speed 
• not moving 
• accelerating/slowing down. 

Tags

NGSS.HS-PS2-1

If these boys are pulling with the same amount of force.  What will happen?

• The boy in blue will win.
• They will not move at all.
• The boy in red will win.
• Both will fall down.

Tags

NGSS.MS-PS2-1

The measure of the force of gravity on your body is your _________________

• height
• length
• weight
• age

Tags

NGSS.HS-PS2-4

The tendency of an object at rest to stay at rest unless it is acted upon by a force is ___________________

• inertia
• motion
• gravity
• lubricant

Which graph represents a students standing at their locker for a period of time.

• A
• B
• C
• D