Down
| 1. | Average speed can be calculated by dividing total ____ by total time. |
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Across
| 2. | A measure of both the speed and direction of a moving object. |
| 3. | The SI unit for measuring speed is ____ per second. |
| 4. | The rate at which velocity changes. |
| 5. | The velocity of an object changes as the speed or ____ of the object changes. |
| 6. | A measure of how fast something moves over a distance. |
| 7. | An object that is in motion will continue to be in motion unless a ____ acts on it to change its motion. |
| 8. | The ____ the surface of one object touching another, the greater the friction between the surfaces. |
| 9. | The force of ____ opposes the motion of two objects that are rubbing against one another. |
| 10. | Speed measures the rate of ____ of an object. |
| 11. | A change in the position or place of something over time in comparison to a reference point. |
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