| Term 
 | Definition 
 
        | movement that contains or movement forward |  | 
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        | Term 
 | Definition 
 
        | a suspended object that moves back and forth |  | 
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        | Term 
 | Definition 
 
        | the back and forth vibratory motion of a swinging pendulum |  | 
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        | Term 
 | Definition 
 
        | a back and forth vibratory motion |  | 
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        | Term 
 | Definition 
 
        | difference between the first position and later position, |  | 
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        | Term 
 | Definition 
 
        | magnetic material in which the electric current passes |  | 
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        | Term 
 | Definition 
 
        | someone wo studies and interprets earthquakes waves in order to determine the strength and location of the earthquakes |  | 
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        | Term 
 | Definition 
 
        | when one wave orverlaps other a wave is prduced |  | 
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        | Term 
 | Definition 
 
        | where the middle of two objects overlap |  | 
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        | Term 
 | Definition 
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        | Term 
 | Definition 
 
        | overlapping air crests that disrupt the flow of air over the wings |  | 
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        | Term 
 | Definition 
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        | Term 
 | Definition 
 
        | a frequency higher then we can hear |  | 
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