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S8P4.A
| Term | Definition |
|---|---|
| wave | a periodic disturbance in a solid liquid gas as energy is transmitted through a medium |
| medium | a physical environment in which phenomena occur |
| mechanical wave | a wave that needs a medium in which to travel |
| transverse wave | in which particles of the medium move perpendicularly to the direction the wave is traveling |
| longitudinal wave | a wave in which the particles of medium vibrate parallel to the direction of wave motion |
| compression | part of the longitudinal wave in which where the particles bunch up closer together. |
| refraction | part of the longitudinal wave in which the particles expand and move apart |
| electromagnetic wave | a wave that consists of electric and magnetic fields that vibrates at a right angle to each other |