| A | B |
| Force | A push or pull on an object |
| Balanced Force | Equall forces acting on an object in opposite directions |
| Unbalanced Forces | Unequal forces acting on an object which causes it to move |
| Spring Scale | A device that measures the tension force acting on an object |
| Newton(N) | The metric unit of measuring force |
| Reference point | The point or place at which an object begins to move |
| Motion Graph | A graph that represents the motion of an object in which you plot distance against time |
| Motion | When one object's distance from anotherobject is changing |
| Distance | The space between two objects or people |
| Time | The quantity that you measure using a clock or timer |
| Speed | The distance an object travels in one unit of time |