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flashcards 14
14
Biology
7th Grade
10/02/2010

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Term
WAVE
Definition
a disturbance that transfers energy from place to place
Term
ENERGY
Definition
the ability to work
Term
MEDIUM
Definition
the material through which a wave travels
Term
VIBRATION
Definition
is a repeated back-and-forth or up-and-down motion
Term
CREST
Definition
is the point of a wave
Term
TROUGH
Definition
is the low point of a wave
Term
AMPLITUDE
Definition
the maximum distance that the particles of the medium carrying the wave move their resting positions
Term
WAVELENGTH
Definition
the distance between two corresponding parts of a wave
Term
FREQUENCY
Definition
the number of completed waves that pass through a given point in a certain amount of time
Term
HERTZ
Definition
the unit that measures frequency
Term
ELECTROMAGNETIC WAVE
Definition
transfers electrical and magnetic energy
Term
ELECTROMAGNETIC RADIATION
Definition
is transfered through space by electromagnetic waves
Term
ELECTROMAGNETIC SPECTRUM
Definition
the complete range of electromagnetic waves placed in order of increasing frequency
Term
VISIBLE LIGHT
Definition
are electromagnetic waves that you can see
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