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.