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Science 4 Chapter 11 vocabulary
AB
vibrationthe back and forth movement of matter
volumethe loudness or softness of a sound
pitchthe high and low sounds
strong vibrationsloud sounds
weak vibrationssoft sounds
frequencythe number of times an object vibrates in one second
fast vibrationshigh frequency and pitch
slow vibrationslow frequency and pitch
vacuumempty space
echoreflected sound

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