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Wave Behavior

Sound and Light Wave Behavior

TermDefinition
Compression A denser, tightly compressed region of a longitudinal wave
Crest The highest part of a wave
Diffraction When a wave encounters an object in its path and bends around it.
Frequency The number of wave cycles that pass a given point per unit of time
Longitudinal wave a wave that moves in the same direction as the displacement of the transmitting medium
Medium The material through which a wave travels
Rarefaction A less dense, more spread out region of longitudinal waves
Reflection Energy waves bouncing off the surface of an object
Refraction Energy waves bending (changing direction and speed) as they pass from one type of object to another.
sound energy a form of energy that is made by vibrations and requires a medium (air, water, or solids) to travel.
Transverse wave A wave that moves in a direction perpendicular to the displacement of the transmitting medium.
Trough The lowest part of a wave
Vibration rapid movement back and forth
wavelength the distance between any two like points on a wave (i.e. crest to crest)
Amplitude the height of a wave from the origin to the crest
Absorption The transfer of energy into a medium
Constructive Interference When the crest of one wave meets the crest of another wave at the same point, increasing the waves amplitude.
Destructive Interference When the crest of one wave meets the trough of another wave at the same point, decreasing the wave's amplitude.
Doppler Effect An apparent shift in the frequency of a wave as the observer or source moves toward (or away) from the other.
Interference The combination of two or more waves to form a resulting wave with an amplitude that is determined by the amplitudes of the combining waves.
Resonance An amplification in the oscillation of an object that occurs when the object is being vibrated at a particular frequency
Laser A technology that transmits a single-colored beam of electromagnetic radiation
Magnetic Resonance Imaging (MRI) the use of a magnetic field to create images of organs and tissues in the body
Seismic Waves Waves of energy that travel through Earth and are the result of an earthquake, volcano, or explosion
SONAR technology that transmits and receives sound waves to find objects.
Ultrasound High-frequency sound waves commonly used in medical applications
Electromagnetic Radiation the transfer of energy through matter or space as electromagnetic waves, such as visible light and infrared waves
Electromagnetic Spectrum A continuum of all electromagnetic waves arranged according to frequency and wavelength, from radio waves to gamma radiation.
Gamma Rays Electromagnetic waves with the shortest wavelengths, highest frequencies, and highest energy; produced by supernovas or the destruction of atoms
Infrared Waves Electromagnetic waves with wavelengths longer than visible light, but shorter than microwaves. Used to heat foods under heat lamps in restaurants.
Visible Light Waves waves of energy that provide us with the visible light spectrum (the colors we see)
Microwaves Electromagnetic waves with wavelengths longer than infrared but shorter than radio waves. Used to cook food.
Radio waves Electromagnetic waves with the longest wavelengths, lowest frequencies, and lowest energy.
Ultraviolet Waves Electromagnetic waves with wavelengths longer than X-rays but shorter than visible light waves; can cause tans, sunburns, and skin cancers.
X-rays Electromagnetic waves with wavelengths longer than gamma rays but shorter than ultraviolet waves; used in medicine and astronomy.
Created by: schristensen
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