Forces and Motion Crossword Puzzle

QUESTIONS LIST: force : a push or pull on an object, newton : the amount of force needed to move an object, balanced force : when two forces acting on an object are equal and opposite, motion : when an object moves or changes location, friction : the surfaces of two objects rubbing together, distance : how far an object moves, gravity : a force that pulls an object to earth, push : when you force an object away from you, contact force : a force that physically touches the object, acceleration : a change in speed of an object in motion, unbalanced force : when two forces acting on an object have one force that is stronger, work : when an object is moved from one place to another, mass : the amount of matter in an object, position : the location of an object, inertia : an object in motion stays in motion or an object at rest stays at rest, pull : when you force an object towards you, lubricant : a substance that reduces friction, speed : how far an object moves of a certain amount of time