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Waves and the Electromagnetic Spectrum
Ch. 2, Sect. 1 Standring JMIS7
12
Science
7th Grade
09/04/2012

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Term
wave
Definition
a disturbance that caries energy from place to place
Term
Energy
Definition
the ability to do work
Term
medium
Definition
the material through which a wave travels. Gasses liquids and solids all act as mediums.
Term
vibration
Definition
repeated back and forth or up and down motions
Term
crest
Definition
The high point of the wave
Term
trough
Definition
The low part of a wave
Term
amplitude
Definition
the maximum distance that the particles of the medium carrying the wave move away from their rest position.
Term
wavelength
Definition
the distance between to corresponding parts of a wave
Term
wave frequency
Definition
the number of complete waves that pass a given point in a certain amount of time.
Term
electromagnetic wave
Definition
transfers electrical and magnetic energy
Term
electromagnetic spectrum
Definition
the complete range of electromagnetic waves placed in order of increasing frequency
Term
visible light
Definition
electromagnetic waves that you can see
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