vocab - science

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Last updated 1:48 PM on 4/25/24
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12 Terms

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Meter
SI unit of distance, abbreviated m; equal to approximately 39.37in
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Speed
equals the distance traveled divided by the time it takes to travel that distance
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Average speed
equals the total distance traveled divided by the total time taken to travel the distance
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Velocity
speed and direction of a moving object
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Kilogram
SI unit of mass, abbreviated kg; equal to approximately 2.2lbs
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Acceleration
equals the change in velocity divided by the time for the change to take place; occurs when an object speeds up, slows down, or turns
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Triple beam balance
scientific instrument used to measure mass precisely by comparing the mass of a sample to known masses
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Mass
the amount of matter in an object
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Inertia
tendency of an object to resist a change in its motion
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Momentum
a measure of how difficult it is to stop a moving object; equals the product of mass and velocity
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Law of conservation of momentum
states that the total momentum of objects that collide with each other is the same before and after the collision