| Acceleration | The rate at which velocity changes |
| Meter | The basic unit of length |
| Motion | The state in which one object's distance from another is changing |
| Reference Point | A place or object used for comparison to determine if an object is in motion |
| Speed | The distance an object travels per unit of time; S = D/T |
| Velocity | The distance an object travels per unit of time in a given direction; V = D/T |
Drag corresponding items onto each other to make them disappear.
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