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Waves Lesson 1
Waves
| Question | Answer |
|---|---|
| wave | disturbance that transfers energy |
| mechanical wave | travels through a medium |
| medium | what a wave travels through |
| electromagnetic wave | can travel without a medium |
| transverse wave | travels perpendicular to direction of sources motion |
| amplitude | distance (height) between crest and rest position |
| longitudinal wave | travel same direction as vibrations |
| rope | example of transverse wave |
| slinky | example of longitudinal wave |
| surface wave | combination of transverse and longitudinal waves |
| wavelength | distance crest to crest, or compression to compression |
| frequency | number of times a wave repeats in given time |
| crest | top of wave |
| trough | bottom of wave |
| compression | waves crowded together |
| rarefaction | waves spread apart |