| A | B |
|---|
| Physical Model | Models that we can look at, touch, feel, and take measurements from |
| Conceptual Models | A way to show how something works that is descriptive in nature |
| Graphical Model | A graph that shows how variables are connected |
| Dependent Variable | A variable that changes in response to another variable |
| Independent Variable | A variable that we set in an experiment |
| Position | Where something is compared with where it started |
| Average Speed | total distance traveled divided by total time elapsed |
| Instantaneous Speed | speed at one moment in time |
| Acceleration | the rate at which speed changes |
| Deceleration | a decrease in speed over time |
| Gravity | pulls everything down towards the center of Earth |
| Free Fall | an object that is moving freely towards the center of the Earth exhibits this type of motion |
| Slope | a measurement of a line on a graph, equal to verticle change divided by horizontal change |
