Force and Motion

______________________ is any push or pull on an object.

• Force
• Mass
• Gravity
• Air Resistance

What is the meaning of acceleration?

• any change in the speed or direction of an object
• where an object is located
• the pull of gravity on an object

Which scientist gave us the laws of motion?

• George Washington
• John Adams
• Sir Isaac Newton

If I kick a soccer ball across the field, what vocabulary word tells me why the ball would slow down in the grass?

• acceleration
• friction
• gravity

What pulls a ball back to earth?

• Gas
• Gravity
• Friction
• Molecules

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.

The force that causes a ball to fall to the ground is ____________________________

• gravity
• lubricant
• friction
• motion

A _____________________ must be exerted on an object at rest to cause it to move.

• weight
• inertia
• force
• gravity

A push or pull that causes an object to move, stop, or change direction.

• force
• motion
• energy
• inertia

A _____ moves an object closer to you.

• push
• pull
• friction
• cat