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S8P4a, 4d, 4f

Physical Science

wave Rhythmic disturbances that carry energy without carrying matter
medium is the substance through which a wave can travel. Ex. Air; water; particles; strings; solids; liquids; gases
amplitude is the peak (greatest) value (either positive or negative) of a wave. The distance from the undisturbed level to the trough or crest
wavelength is the horizontal distance, either between the crests or troughs of two consecutive waves
mechanical wave need matter (or medium) to transfer energy
crest crest is the highest point on a wave.
trough is the valley between two waves, is the lowest point.
transverse Energy causes the matter in the medium to move up and down or back and forth at right angles to the direction the wave travels. Examples: waves in water
rarefraction is the part of the compressional wave where the particles are spread apart
compression is the part of the compressional wave where the particles are crowded together
compressional wave A mechanical wave in which matter in the medium moves forward and backward along the same direction that the wave travels. Ex. Sound waves
wave energy is a renewable energy whereby we capture the energy that is being generated naturally by waves
matter medium
electromagnetic wave DO NOT NEED matter (or medium) to transfer energy They do not need a medium, but they can go through matter (medium), such as air, water, and glass
Created by: bsasser