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