Motion Vocab Flashcards
a change in position
motion
a certain quantity or amount of one thing considered in relation to a unit of another thing and used as a standard or measure
rate
a basis or standard for evaluation, assessment, or comparison
ref. point
the length between two points or how far apart two objects are
distance
chemical reaction in which an atom, radical, or molecule replaces another in a compound
displacement
how quickly something is moving or being done, or something moving fast
speed
when the speed of an object stays the same. It doesn’t increase or decrease
constant speed
the rate at which an object covers distance
avg. speed
the speed of an object at a specific point in time
instant speed
the speed of something in a given direction
velocity
increase in the rate or speed of something
acceleration
