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Binchmark Study Guide for 2nd nine weeks 8th grade

a data set by carterc4836
created December 6, 2016
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FAMILY TREE
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Waves: Disturbance or vibration of matter
Mechanical Waves: 1.Travel through matter-use conduction and it requires a medium (matter) 2.Can be Tranverse or Compressional
2 way's to classify waves: 1.Where waves travel. 2.How waves travel.
Electromagnetic Waves: 1.Can only be tranverse 2.Travel through space-transfer energy through radiation
Traverse Waves: 1.Energy and particles move at a 90 degree angle to one another
Conditional/longitudinal Waves: 1.Particles and energy travel at the same direction
Travels of sound and light: Travels of sound and light
Changes in Wave parts: 1.Frequency is directly related to pitch 2.High Frequency=High Pitch 3.Low Frequeny=Low Pitch
Sound Phenomona: 1.Doppler Effect-sound increases pitch at it approches observer and decreases pitch as it move away 2.Echo-sound reflection 3.Resance-two or more things vibratte at the same frequency 4.Ultra sound-used for pregnancy pictures-used to clean jewlry
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