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38 Cards in this Set
- Front
- Back
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what correctly describes frequency?
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how many times a wave passes through a point
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Does sound move in the form of transverse or compression waves?
think of an echo |
compression waves ...
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Give an example of a type of energy that transverse waves carry?
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x-rays
gamma rays ultra violet rays visible light cosmic waves radio waves mirco waves |
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as wavelength decreases, what happens to frequency?
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frequecny increases
no relation |
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which type of wave has the highest frequency?
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gamma rays
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If you are floating in the ocean which direction do you move as every wave passes?
Up and down Side to side You will be washed to shore |
up and down
think of a boat |
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Give an example that proves light travels faster than sound.
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thunder and lightening
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Through which of the following would sound move the fastest?
a. water b. air c. iron d. tree trunk |
iron
sound moves threw denser objects eiser |
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what can light travel threw eailey
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air
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what is aplitude
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higher energy
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Waves that use matter to transfer energy are what
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mechanical waves
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The matter used to transport the wave is a
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medium
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how can mechanical waves be classified
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according to the direction of the motion of matter in relation to the direction of wave motion
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what are trasverse waves
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Mechanical waves in which matter moves up and down or back and forth at right angles compared to the direction of wave movement
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what are longitudianl or compressional waves
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Mechanical waves in which medium matter moves forward and backward in the same direction the wave travels
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what are Radio waves, X-rays, microwaves, and visible light waves
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examples of electromagnetic waves
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what can travel through empty space and they all travel at the same speed
what is this called |
Electromagnetic waves
speed of light |
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a wave in which particles of the medium move in a direction perpendicular to the direction which the wave moves
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Transeverse Wave
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a wave in which particles of the medium move in a direction parallel to the direction which the wave moves
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Longitudinal Wave
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how are waves generated
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when a source of energy forces the matter in a medium to vibrate
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what is a compression
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waves are really close
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what is a rarefaction
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when waves are really far apart
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what is a medium
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a material that a wave travels threw
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what are wves that require a medium to travel
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mechanical waves
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combinations of transvers and longitudinal wavess
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surface waves
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waves that move the meduim at right angles to the directin in which the waves are traveling
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transverse waves
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waves the move particles of the medium parallell to the direction that the waes are traeling
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longitudinal waves
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when an object or wave hits a surface throught which it cannot pass it bounces back
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reflection
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when a wave moves from on emedium into another medium at an angle it changes speed as it enters the second medium which causes in to bend
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refraction
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whenever a wave passes around the edge of a barrier or moves through a hole in the barrier the wave bends and spreds out
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diffraction
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generated by earth quakes
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seismic waves
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human range of hearing
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ultrasound
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souds with frequencys a human cant hear
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infrasound
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energy that is transferreed by electromagnetic waves is called
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electromagnetic radation
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transverse waves that have some electrical properities
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electromagnetic waves
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what has the longest wavelengths and lowest frequencys
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radio waves
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radio waves with the shortest wavelengths and hightes frequemcys
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mircrowaves
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have the shortest wave lenghts and highest frequencys on the elecromagnetic spectrum
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gamma rays
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