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Waves
7th Grade Vocab for Waves
| Word | Definition |
|---|---|
| Wave | A disturbance that moves through matter or space |
| Traverse Wave | Particles in matter move up and down at right angles in the direction the wave travels |
| Compressional Wave | Particles in matter move back and forth along the same direction in which the wave travels |
| Wavelength | The distance from a crest to a crest |
| Frequency | The number of crests or troughs that pass you each second |
| Law of Reflection | The angle that the wave hits at a reflective surface, it'll back bounce to the same |
| Refraction | The change in direction of a wave when it changes speed as it travels from one material |
| Diffraction | When waves bend and change direction and instead go around obstacles |