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rhythmic disturbance that carries energy, but not matter

mechanical wave

a tranverse of compressional wave that only can travel through matter

transverse wave

a type of mechanical wave in which the wave energy causes matter in the medium to move up and down or back and forth at right angles to the direction the wave travels

compressional wave

a type of mechanical wave in which matter in the medium moves forward and backward along the direction the wave travels

electro magnetic waves

waves that can travel through space where there is no matter


for a transverse wave, is one-half the distance between a crest and a trough

wave length

for a transverse wave, the distance from the top of one crest to the top of the next crest, or from the bottom of one trough to the the bottom of the next trough


number of wavelengths that pass a given point in per second


occurs when a wave hits a subject or suface and bounces off


bending as a wave as it moves from one medium into another


bending of waves around a barrier


occurs when two or more waves combine and form a new wave


the distance from the crest or trough of a wave to the rest position


squeezing a group of particles in a wave

constructive interference

a combination of waves form a larger wave

destructive interference

a combination of waves form a smaller wave


matter through which a wave transfer energy

wave speed

the product of wavelength and frequency


a region of spread-out particles in a wave

wave length

the distance between a point on a wave and the identical point on the next wave

Two types of mechanical waves

transverse and compressional waves

Waves do not carry matter, they carry


Four properties of waves

amplitude, wavelength, frequency, speed

with visible light _________ indicates what color is seen

wavelength or frequency

common name for a reflection of a sound wave


mechanical waves travel in a medium in which atoms are

in solids and slowest in gases

electromagnetic waves travel faster in a medium with________ atoms in in

fastest in gases and slowest in solids

light does not reflect well from rough surfaces - it will

not be a sharp image because the reflected light scatters in many different directions

shorter wavelengths equal

higher frequencies

longer wavelengths equal

smalles frequencies

smaller frequencies

low pitch of sound

greater frequencies

high pitch of sound

amplitude is directly related to


The greater the amplitude of the wave, the greater the ________ the wave is carrying


Examples of mechanical waves

sound waves, ocean wave, tidal wave

Examples of electromagnetic waves

radio waves, xrays, visible light, microwave

Type of electromagnetic waves


Calculate wave speed

frequency X wavelength

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