1. Chapter 1-Lesson 1 Position and Motion Vocabulary
Science 8
Chapter 1-Lesson 1
Position and Motion
Vocabulary

2. speed
a measure of the distance an object travels per unit of time

3. constant speed
the rate of change of position in which the same distance is traveled each second

4. instantaneous speed
speed at a specific instant in time

5. average speed
the total distance traveled divided by the total time taken to travel that distance

6. velocity
the speed and the direction of a moving object

7. motion
the process of changing position

8. displacement
the difference between the initial (first) position and the final position of an object

9. dimension
distance or length measured in one direction

10. specify