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S8P4.a
Term | Definition |
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Wave | A periodic disturbance in a solid, liquid, or 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 | A wave in which the particles of a medium vibrate parallel to the direction of which the wave is traveling |
Longitudinal wave | A wave in which the particles of the medium vibrate parallel to the direction of the wave motion |
Compression | Part of the longitudinal wave where the particles bunch up close together |
Refraction | Part of the longitudinal wave in which the particles expand and move apart |
Electromagnetic wave | A wave that consist of electric and magnetic fields that vibrate at right angles to each other |