| A | B |
|---|
| Physics | The study of matter and energy and their interactions. |
| Acceleration | The rate of change in the velocity of an object. |
| Force | A push or pull. |
| Friction | The force that opposes the motion of an object as it moves across another surface. |
| Inertia | The tendency of an object to resist any change in its motion. |
| Motion | When the distance from one object to another object is changing. |
| Reference Point | A place or object used for comparison to determine if something is in motion. |
| Slope | The steepness of a line on a graph. The vertical change divided by its horizontal change. |
| Speed | Distance traveled per unit of time. |
| Velocity | The speed of an object in a particular direction. |
