click below
click below
Normal Size Small Size show me how
Chpt M1 Vocab Review
all vocab of chapter 1, Book M
| Term | Definition |
|---|---|
| Motion | The state in which one objects distance from another is changing. |
| Reference Point | A place or object used for comparison to determine if an object is moving. |
| International System of Units | A system of measurement based on multiples of ten and on established measures of mass, length and time. |
| Meter | The basic SI unit of length. |
| Speed | The distance an object travels per unit of time. |
| Average Speed | The overall rate of speed at which an object moves. |
| Instantaneous Speed | The speed of an object at one instant of time. |
| Velocity | Speed in a given direction. |
| Slope | The steepness of a line on a graph. |
| Plate | One of the major pieces that make up Earth’s upper layer. |
| Theory of Plate Tectonics | The theory that pieces of Earth’s outer layer are in constant motion. |
| Acceleration | The rate at which velocity changes. |