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Properties of Waves

Indicators 8.P.3A1 & 2

TermDefinition
Wave A repeating disturbance or vibration that transfers or moves energy from place to place.
Vibration A repeated back and forth or up and down movement
Medium A material through which waves can travel . Can be a solid, liquid or gas.
Mechanical Waves Waves that require a medium.
Transverse Waves Waves vibrate through a medium at right angles (perpendicular) Ex. electromagnetic waves
Longitudinal Waves Waves that vibrate through a medium in the same direction (parallel). Also known as compressional waves. Ex: Sound waves
Compression Place on a wave that is pushed together.
Rarefaction Place on a wave that is apart.
Frequency Measure of how many waves pass a point in a certain amount of time.
Amplitude Measure of the distance between the line through the middle of the wave and the crest or trough.
Wavelength A measure of the distance from the crest on a wave to the crest of the very next wave.
Vacuum Empty space
Electromagnetic Waves A wave that transfers energy through a vacuum as well as through matter. Examples: Radio waves, light waves, x-rays
Created by: Lawsont
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