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3.3
vocab
Question | Answer |
---|---|
all waves begin with a source of ________. | energy |
A(n) __________ is a disturbance. | wave |
when a flag waves in the wind, the flag ripples back and forth as the energy _______. | travels |
the fabric dose not _______. | move |
a _________ wave travels only through matter. | mechanical |
a _______ wave can travel through empty space or through matter. | electromagnetic |
there are ____ types of waves | 3 |
transverse, _____________, and a combination of both | longitudinal |
a __________ wave is a wave in which the disturbance is perpendicular to the disturbance the waves travel. | transverse |
a ________ wave is a wave that makes the particles of a medium move back and forth and paralel | longitudinal |
two common waves in nature are water waves and _______ waves. | seimic |
in water waves, water particles move in ________. | circles |
indicating that these waves are a combination of __________ and _________ waves. | transverse, longitudinal |
_________ waves occur during a earthquake. | seismic |
the __________ of a wave is the distance from one point. | wavelengths |
to the corresponding point on the next _____. | wave |
the ________ of a wave is the number of wavelengths that pass a point each second. | frequency. |
frequency is measured in ________ (HZ) | hertz |
the _______ the wavelength, the lower the frequency. | longer. |
wave speed depends on the type of material, or _________, a wave travels through. | medium |
the maximum distance a wave varies from it s rest position is the __________ of the wave. | amplitude |
the more energy a(n) ________ wave has, the longer the wave's _________ will be. | mechanical, amplitude |
when you knock on one side of a door, the sound travels as __________ sound waves through the door. | longitudinal |
these waves travel through the _______ that makes up the door to the ________ on the other side. | matter, person |
the particles that make up the door _______ some of the sound energy. | absorbed |