Chapter 16: Vocabulary

for a transverse wave, one half the distance between a crest and a trough (the height of a wave).

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NGSS.MS-PS4-1

a type of mechanical wave in which matter in the medium moves forward and backward along the direction the wave travels.

• Compressional Wave

• Transverse Wave

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NGSS.MS-PS4-1

bending of waves around a barrier.

waves that can travel through matter or space; include radio waves, infrared waves, visible light waves, ultraviolet waves, x rays and gamma rays.

• electromagnetic waves

• mechanical waves

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NGSS.HS-PS4-1

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NGSS.HS-PS4-4

number of wavelengths that pass a given point in one second; measured in hertz (Hz).

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waves that can travel only through matter.

• electromagnetic waves

• mechanical waves

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NGSS.MS-PS4-2

occurs when a wave strikes an object or surface and bounces off.

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NGSS.MS-PS4-2

bending of a wave as it moves from one medium into another medium.

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a type of mechanical wave in which the wave energy causes matter in the medium to move up and down or back and forth at right angles to the direction the wave travels.

• Compressional Wave

• Transverse Wave

rhythmic disturbance that comes energy but not matter.

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NGSS.MS-PS4-1

NGSS.MS-PS4-2