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Science vocab final

Atom the smallest particle in which an element can be divided and still have the same chemical properties
element a substance that cannot be broken down into a smaller substance
atomic number number of protons in the nucleus of a given element
product substance that forms as a result of a chemical reaction
reactant substance that exists before a chemical reaction
chemical equation shorthand form for writing what reactants are used and what products are formed in a chemical reaction; sometimes shows whether energy is produced or absorbed
density the mass of an object divided by its volume
triple beam balance measures the mass of an object
graduated cylinder measures volume
ruler measures the length of a given object
volume the amount of space that an object occupies
balanced force occurs when the net force on an object equals zero and the objects motion does not change
unbalanced force occurs when the net force on an object does not equal zero and there is a change in motion
Newton's First Law an object at rest will stay at rest, while an object in motion will stay in motion unless acted upon by an unbalanced force
Newton's Second Law the acceleration of an object by its force is inversely proportional to mass of the object and directly proportional to the force
Newton's Third Law for every action there is an equal and opposite reaction
force a push or pull
speed distance traveled by an object in a given amount of time
velocity an object's speed in a given direction
acceleration a change in an object's speed or direction overtime
Created by: AllieRodrigues