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waves
vocabulary
| Term | Definition |
|---|---|
| compression | region of a longitudinal wave where the particles in the medium are closest together. |
| crest | highest point on a transverse wave. |
| electromagnetic | can travel through empty space and through matter |
| energy | ability to cause change. |
| longitudinal wave | makes the particles in a medium move parallel to the direction of the wave |
| mechanical wave | travels only through matter |
| medium | material in which a mechanical wave travels |
| rarefaction | region of longitudinal wave where the particles are farthest apart. |
| transverse wave | disturbance is perpendicular to the direction of the wave. |
| trough | lowest point on a transverse wave |
| wave | disturbance that transfers energy from one place to another. |
| amplitude | maximum distance particles in a medium move from their rest postion as waves pass through the medium . |
| frequency | number of wavelengths that pass by a point each second. |
| wavelength | distance from one point on a wave to the same point on the next wave |