8th grade chapter 7 vocab

an object is in this if its position changes relative to another object

• acceleration

• motion

• slope

• speed

place or object used for comparison to determine if something is in motion

• reference point

• slope

• SI unit

• distance

system of measurement used by scientists

• acceleration

• reference point

• velocity

• SI unit

distance an object moves per unit of time

• velocity

• average speed

• speed

• acceleration

distance an object moves by the total time

• instantaneous speed

• speed

• acceleration

• average speed

speed at which an object is moving at a given instant in time

• instantaneous speed

• acceleration

• velocity

• average speed

speed in a given direction

• velocity

• average speed

• instantaneous speed

• speed

steepness of a line on a graph

• slope

• reference point

• motion

• distance

rate at which velocity changes

• average speed

• motion

• velocity

• distance

length of the path between two points

• reference point

• distance

• slope

• motion