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transverse |
Transverse waves move at right angles to the direction of the wave's energy.
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longitudinal |
Longitudinal waves move in parallel to the direction of the wave's energy.
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reflection |
A copy of an object that is seen in a mirror is a reflection.
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refraction |
The bending of light when if moves from one material to another is called refraction.
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crest |
The top of a wave is called the crest.
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undulations |
Undulations means to go up and down.
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trough |
The bottom of a wave is called a trough.
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* This sentence was added by a Spellzone user.
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