Force and Motion/Simple Machines

______________________ is any push or pull on an object.

• Force
• Mass
• Gravity
• Air Resistance

A _________ uses force to move an object towards you. 

• Pull
• Push
• Motion
• Force

A ________ uses force to move an object away from you. 

• Push
• Pull
• Gravity
• Motion

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

Which is harder to stop - an 18 wheeler or a motorcycle?

• motorcycle
• 18 wheeler

_____is a change in the velocity of an object.

• Direction
• Speed
• Displacement
• Acceleration

_____ is how fast an object moves in a specific direction.

• velocity
• speed
• displacement
• distance

Why is it harder for the boy in Image B to get down the hill?

• Motion
• Friction
• Work
• Displacement

Which force produces a change in motion?

• unbalanced force
• balanced force
• gravitational force
• frictional force