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Waves Ch 8 Sec 2-3
| Term | Definition |
|---|---|
| amplitude | the distance between a crest or trough and the rest postition |
| wavelength | the top of one crest to the top of the next crest or the bottom of one trough to bottom of the next trough |
| frequency | the number of wavelengths that pass a fixed point in one second |
| hertz (Hz) | unit for measuring frequency |
| reflection | when a wave strikes a surface or object and bounces off |
| echo | occurs when sound bounces off a solid surface |
| refraction | the bending of a wave as it moves from one medium into another |
| diffraction | the bending of waves around a barrier |
| interference | the ability of two waves to combine to form a new wave |