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Chapter 1
8th grade Physical Science
| Term | Definition |
|---|---|
| Dimension | Distance or length measured in one direction |
| Displacement | Difference between initial position and final position of an object |
| Motion | Process of changing position |
| Position | Objects distance and direction from a reference point |
| Reference Point | Starting point you choose to describe the location, or position of an object |
| Average Speed | Distance divided by time |
| Constant Speed | Rate of change of position in witch the same distance is traveled in each second |
| Instantaneous Speed | Speed at a specific instant time |
| Speed | Distance an object travels per unit of time |
| Velocity | Speed and direction of a moving object |