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ATS-Science 8

Energy of Waves vocabulary

wave 1. A disturbance that transfer energy from place to place. 2. The movement of energy through a body of water.
medium The material through which a wave travels.
transverse wave A wave that moves at right angles to the direction in which the wave travels.
longitudinal wave A wave that moves the medium in a direction parallel to the direction in which the wave travels.
amplitude 1. The height of a transverse wave from the center to a crest or trough. 2. The maximum distance the particles of a medium move away from their rest positions as a longitudinal wave passes through the medium.
wavelength The distance between two corresponding parts of a wave, such as the distance between two crests.
frequency The number of complete waves that pass a given point in a certain amount of time.
wave speed How far the wave travels in a given amount of time. You can determine a wave's speed by dividing the distance it travels by the time it takes to travel that distance. Speed=Wavelength x Frequency; Frequency=Speed/Wavelength; Wavelength=Speed/Frequency
reflection The bouncing back of an object or a wave when it hits a surface through which it cannot pass.
refraction The bending of waves as they enter a new medium at an angle, caused by a change in speed.
diffraction The bending or spreading of waves as they move around a barrier or pass through an opening.
interference The interaction between waves that meet.
standing wave A wave that appears to stand in one place, even though it is two waves interfering as they pass through each other.
resonate To produce or be filled with a deep, full, reverberating sound.
Created by: glink