Sound Waves Key Terms
Flashcard maker : Lesly Lloyd
a disturbance that transfers energy through matter or space
waves that require a medium to travel
solid, liquid, or gas through which a mechanical wave transfers its energy
DO NOT REQUIRE a medium to travel (they transfer energy through empty space)
empty space; the absence of matter — NOT a Hoover 🙂
distance from rest position to crest (high point) or rest position to trough (low point)
distance from any point on a wave to the identical point on the next wave (crest to crest or trough to trough)
number of waves that pass a given point in one second
the highness or lowness of a sound
a wave in which the direction of the matter and the direction of the wave move parallel to one another
a wave in which the direction of the matter and the direction of the wave move perpendicular to one another
the feature of sound that is affected by amplitude
the feature of sound that is affected by frequency
the measure of a wave’s energy
the state of matter in which sound travels the fastest
the state of matter in which sound travels at a medium speed
the state of matter in which sound travels the slowest
the increase (or decrease) in the frequency of sound waves as the source and observer move toward (or away from) each other
the highest point of a wave.
the number of times per second that a wave cycles.
a wave that must travel through some sort of matter called a medium; cannot travel through a vacuum like outer space.
the matter that a wave travels through.
the position the medium would take if there were no wave.
mechanical waves that are caused by a vibration; can be heard by our ears.
a measure of how fast the disturbance of the wave is moving; depends on the type of medium that a wave is moving through.
A disturbance that moves through space and matter; transfer energy from one place to another, but not matter.
the distance between two corresponding points on back-to-back cycles of a wave. For example, between two crests of a wave.
the lowest part of the wave; The opposite of the crest.
unit for frequency
an area of a longitudinal wave where the particles of the medium are close together
an area of a longitudinal wave where the particles of the medium are spread out
wavelength of a longitudinal wave
distance between 2 compressions or 2 rarefactions
frequency of a longitudinal wave
the number of compressions that pass a given point per second
The ability to perform work.
A material (solid, liquid, or gas) through which a wave travels.
Energy traveling away from a vibrating object.
To move rapidly back and forth.