Grade 7 Science - Forces Crossword Puzzle

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QUESTIONS LIST: first: newton's _ law of motion: "an object in motion will continue in motion unless acted on by an unbalanced force.", gravity: the force that pulls all objects down, reaction: newton's 3rd law of motion: "for every action, there is an equal and opposite _ ", balanced: if two forces have the same value but opposite directions, the forces are said to be _ , friction: a force that opposes motion, newtons: the unit of measurement for forces, uses the symbol n, motion: isaac newton created 3 laws of _ , force: a push or pull on an object, spring: the device used to measure forces is called a _ balance, direction: 2 components are used to describe a force - magnitude and _ , mass: newton's 2nd law of motion: force = _ x acceleration, contact: forces that require physical touch between objects are _ forces