| A | B |
|---|
| motion | a state in which one object's position from another object or reference point is changing |
| reference point | a place or an object used for comparison to determine if an object is in motion |
| distance | a measure of how far away an object is from another object or reference point |
| speed | the rate of change of distance or distance an object travels in one unit of time |
| velocity | speed and direction of an object's motion |
| slope | the steepness or slope of a line on a graph |
| plate | one of the major pieces that make up Earth's upper layer |
| plate techtonic | theory in which earth's plates move very slowly in various directions |
| acceleration | rate at which velocity changes |
| deceleration | negative acceleration, refers to decreasing speed. |
