| A | B |
|---|
| Mechanical Wave | wave that needs a medium |
| Transverse Wave | wave that moves up and down |
| Longitudinal Wave | wave that moves side to side |
| Crest | top of a wave |
| Trough | bottom of a wave |
| Wavelength | length of a wave |
| Amplitude | amount of energy in a wave |
| Reflection | wave bounces off object |
| Refraction | wave bends due to new medium |
| Medium | solid-liquid-gas |
| Diffraction | wave bends around barrier |
| Doppler Effect | change in frequency |
| Frequency | number of waves |
| Resonance | vibration of a wave |
| Electromagnetic Wave | wave that does not need a medium |
| Sound | example of a longitudinal wave |
| Radio | lowest frequency em wave |
| Micro | em wave used in cellphones |
| Infrared | em wave used for thermal imaging |
| Visible | em wave we can see |
| Ultraviolet | em wave that causes sunburns |
| Xray | em wave that doctors use |
| Gamma | em wave with the shortest wavelength |
| Compression | squished part of longitudinal wave |
| Rarefaction | spread out part of a longitudinal wave |
