mass - how much matter something has, atom - The smallest part of matter, 3 states of matter - solid, liquid, gas, velocity - how fast or slow something moves, speed - similar to velocity, acceleration - A change in motion or velocity, friction - force that resists the moving of one object over another., gravity - the force that pulls us down to earth, drag force - the resistance force caused by motion through water or air., calculating average - add and divide by how many numbers you added, hypothesis - a prediction. An educated, scientific guess, steep - a high hill. A slope that goes up quickly,

Physics forces

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