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34 Cards in this Set
- Front
- Back
a periodic disturbance in a solid, liquid, or gas as energy is transmitted through a medium
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Wave
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the physical environment through which the wave passes
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Medium
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a wave that requires a medium through which to travel
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Mechanical Waves
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a wave that consists of oscillating electric and magnetic fields
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Electromagnetic Waves
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______ is the ability to exert force over a distance or the ability to do work
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Energy
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The bigger the wave, the more ______ it carries
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energy
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As waves spread out, successive ____ ______ move farther from the center
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wave fronts
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Most waves are caused by a _________ ______
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vibrating object
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_______________ _____ may be caused by vibrating charged particles
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Electromagnetic waves
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Sound waves can be caused by the _____ _____ vibrating
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vocal cords
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In __________ waves, the particles of the medium also vibrate as the wave passes through
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mechanical
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The wave front transfers only ______, not matter
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energy
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A vibration that fades out as energy is transferred from one object to another
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damped harmonic motion
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Transverse waves have _____________ motion
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perpendicular
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Longitudinal waves cause particles in the medium to vibrate ________ to the motion of the wave
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parallel
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_______ _____ occur at the boundary between two mediums
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Surface waves
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In a surface wave, particles move in _______
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circles
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similar characteristics between waves
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Wave Properties
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an ideal transverse wave is in the shape of sideways S
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Sine waves
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highest point of a transverse wave
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Crest
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lowest parts of a transverse wave
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Trough
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the greatest distance particles are displaced from their normal resting place
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Amplitude
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the time that it takes a complete cycle or wave oscillation to occur
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Period
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the number of cycles or vibrations per unit of time
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Frequency
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number of vibrations per second
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Hertz
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The full range of light at different frequencies and wavelengths is called the _______________ ________
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electromagnetic spectrum
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The speed of a wave depends upon its ______
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medium
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the bouncing back of a wave when it hits a surface or boundary that it does not go through
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Reflection
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a change in the direction of a wave when the wave finds an obstacle or an edge, such as an opening
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Diffraction
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the bending of a wavefront as the wavefront passes between two substances in which the speed of the wave differs
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Refraction
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the combination of two or more waves of the same frequency that results in a single wave
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Interference
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any interference in which waves combine so that the resulting wave is bigger than the original waves.
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Constructive interference
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any interference in which waves combine so that the resulting wave is smaller than the largest of the original waves
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Destructive interference
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a wave or vibration that causes the particles in the medium to vibrate in a stationary pattern
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Standing Wave
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