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March 2nd
| Term | Definition |
|---|---|
| Wave | A disturbance that transfers energy from place to place |
| mechanical wave | a wave that requires a medium through which to travel. |
| medium | the material through which a wave travels. |
| electromagnetic radiation | the energy transferred through space by electromagnetic waves. |
| transverse wave | A wave that moves the medium at right angles to the direction in which the wave travels. |
| amplitude | the height of a transverse wave the center to a crest or trough. |
| Longitudinal wave | A wave that moves the medium in a direction parallel to the direction in which the wave travels. |
| wavelength | the distance between two corresponding parts of a wave, such as the distance between two creats. |
| frequency | the number of complete waves that pass a given point in a certain amount of time. |
| vaccum | a space that is completely empty. |
| Crest | the high point of a wave |
| trough | the low point of a wave |
| Node | a point where a wave crosses its resting line. |