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Sci: Vocabs Chap.1
Chapter 1 Vocabularies
| Term | Definition |
|---|---|
| Reference point | The starting point you choose to describe the location, or position, of an object. |
| Position | An object distance and direction from a reference point. |
| Motion | A process of changing position. |
| Displacement | The difference between the initial position and the final position of an object. |
| Speed | A measure of the distance an object travels per unit of time |
| Constant speed | The rate of change of position in which the same distance is traveled each second. |
| Instantaneous speed | Speed at a specific instant in time. |
| Average speed | The total distance traveled divided the total time taken to travel that distance. |
| Velocity | The speed and the direction of a moving object. |
| Acceleration | A measure of the change in velocity during a period of time. |