| A | B |
| motion | A change of position over time |
| position | An objects location |
| reference point | A location to which another location is compared |
| speed | A measure of how fast something moves through a particular distance over time. |
| velocity | A speed in a specific direction |
| vector | A quantity that has both size and direction |
| acceleration | The rate at which velocity changes over time. |
| speed formula | speed = distance/time |