| A | B |
|---|
| Amplitude | height of crest or trough |
| Wavelength | distance from crest to crest or compression to compression |
| Frequency | number of waves passing point in amount of time |
| Hertz | unit for frequency |
| Hz | abbreviation for Hertz |
| Speed | how far a wave travels in on unit of time |
| Formula for Speed | Wavelength x Frequency |
| Reflection | Wave hits something and bounces back |
| Refraction | bending of wave as it changes mediums |
| Diffraction | wave passes through hole and bends/spreads out |
| Example of Reflection | Echo in canyon |
| Example of Diffraction | water waves hitting rock in river |
| Example of Refraction | Muffled sounds when you dive under water |
