Friction, Air Resistance & Other Forces Crossword Puzzle

QUESTIONS LIST: lubricant: a substance like oil or water that reduces friction, force: something that pushes & pulls objects and makes them speed up or change shape, aerodynamic: a design for objects to reduce the air resistance, greater: the heavier and object the _ the friction, smooth: this type of surface reduces friction, static: friction between 2 objects not moving, gravity: a non contact force that pulls mass to the ground, fluid dynamics: the science of objects moving through liquids or gas, traction: type of friction that helps objects stay on the ground, air resistance: a force working on objects falling on earth, friction: a contact force that creates heat and wear and tear, streamlined: making objects a smooth as possible to reduce friction, contact:2 or more surfaces touching, non contact: surfaces not touching.