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Sci MFE Ch1 Voc
| Question | Answer |
|---|---|
| motion | the state in which one object's distance from another is changing |
| reference point | a place or an object used for comparison to determine if an object is in motion |
| International System of Units (SI) | A system of measurement based on mutliples of 10 and on established measures of mass, distance, volume and time |
| meter | the basic SI unti of distance or length |
| speed | the distance an object travles in one unit of time |
| velocity | speed in a given direction |
| plate | one of the major pieces that make up the Earth's upper layer |
| plate tectonics | the study of the movements of Earth's plates |
| acceleration | the rate at which velocity changes |