## Chapter 10 waves with 4 PSSA

##### Created by:

KSwahn  on January 7, 2010

##### Description:

waves

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# Chapter 10 waves with 4 PSSA

 compressional wavea wave in which matter moves back and forth in the direction the wave is moving
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#### Definitions

compressional wave a wave in which matter moves back and forth in the direction the wave is moving
medium material through which a wave travels
transverse wave a wave that causes the medium to vibrate at right angles to the direction in which the wave travels.
amplitude measure of the energy in a wave
crest the high point of a transverse wave
frequency the number of wavelengths that pass a fixed point in one second
rarefaction a part in a longitudinal wave where the particles are spread apart
period the amount of time it takes one wavelength to pass a fixed point
trough the low point in a transverse wave
wavelength the distance between one point on a wave and the nearest point just like it
diffraction the bending of a wave around a barrier
interference the point where two waves meet each other and overlap to form a new wave
refraction the bending of a wave caused by change in it's speed as it moves from one medium to another
resonance an object vibrates by asorbing energy from another object that is vibrating at it's natural frequencies
standing wave a wave pattern that forms when two equal size waves travel in opposite directions and interfere with each other
wave a repeating disturbance or movement that transfers energy through matter or space
Groundwater Water that infiltrates the soil and is located in underground reservoirs called aquifers.
Hazardous waste A solid that, because of its quantity or concentration or its physical, chemical or infectious characteristics, may cause or pose a substantial present or potential hazard to human health or the environment when improperly treated, stored, transported or disposed of, or otherwise managed.
Homeostasis The tendency for a system to remain in a state of equilibrium by resisting change.
Hydrology The scientific study of the properties, distribution and effects of water on the earth's surface, in the soil and underlying rocks and in the atmosphere.

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