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# 3.3

QuestionAnswer
all waves begin with a source _______. energy
a _______ is a disturbance that transfers energy wave
when a flag waves in the wind, the flag ripples back and forth as the energy ______ along the flag travels
an____________ wave travels only through matter mechanical
an _____________ wave can travel through empty space or through matter electromagnetic
there are __________ types of wave motion three
A ___________ wave is a wave in which the disturbance is perpendicular to the direction the wave travels transverse
A ____________ wave is a wave that makes the particles of a medium move back and forth parallel to the direction the wave longitudinal
Two common waves in nature are water waves and _______ waves seismic
In water waves , water particles move in _________ circles
these waves are a combination of ___________ and _________ transverse and longitudinal
_________ waves occur during an earth quake seismic
The _____________ of a wave is the distance from one point wavelength
the ________________ of a wave is the number of wavelengths that pass a point each second frequency
frequency is measured in _________. hertz
the ____________ the wavelength the lower the frequency longer
wave speed depends on the type of material , or ____________ medium
the maximum distance a wave varies from its rest position is the __________ amplitude
the more energy a___________ wave has , the larger the wave's _______ will be transverse and wavelength
the particles that make up the door___________ some of the sound energy absorb
Some of the energy of your knock bounces, or ___________, back into the room that is why you __________ the sound reflects and hear
__________ is the change in direction of a wave as it changes speed moving from one medium into another refraction
waves that bounce off a surface follow the law of __________ reflection
the angle between the ___________ wave and the ___________is equal to the angle between the _________ wave incident, normal, and reflected
the change in direction of a ________ when it travels past the edge of an object or through an opening is called________ wave and diffraction
Created by: sebasbri3040