| A | B |
|---|
| motion | When the distance between two objects is changing. |
| reference point | A place or object used for comparison to determine if something is in motion. |
| meter | The basic SI unit of length. |
| speed | The distance an object travels in one unit of time. |
| velocity | Speed in a given direction. |
| slope | The steepness or slant of a line is called its slope. |
| acceleration | The rate at which velocity changes. |
| linear | A term used to describe a relationship between variables whose graph is a straight line. |
| nonlinear | Term used to describe a relationship between variables whose graph is not a straight line. |
