| WORDS TO KNOW |
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| DEFINITIONS |
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| Acceleration |
An increase or decrease of velocity |
| Displacement |
The movement of an object from one place to another, signaling that velocity or work has occurred |
| Magnitude |
The scalar number that is associated with a vector |
| Scalar quantity |
A number with out direction |
| Speed |
The rate at which something moves regardless of its direction |
| Vector quantity |
A quantity that has not only magnitude, but also direction, such as velocity |
| Velocity |
The rate of change in a position of an object; the change in distance over the change of time (V = d/t) |
Science Vocab 147928
