click below
click below
Normal Size Small Size show me how
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 |