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Science Chapter 2

Science chapter 2 (Sound) lessons 1-5 vocabulary flashcards

TermDefinition
Density How much matter or mass there is in a given amount of space or volume
Pitch A description of how high or low the sound seems to a person
Loudness Describes your awareness of the energy of a sound
Intensity The amount of energy a sound wave carries per second through a unit area
Decibel (dB) The unit that is used to compare the loudness of different sounds
Music A set of notes that combine in patterns that are pleasing
Fundamental tone The lowest natural frequency
Overtone The highest natural frequencies
Ear canal A narrow region leading from the outside of the human ear to the eardrum
Eardrum A small, tightly stretched, drum like membrane
Cochlea A liquid-filled cavity shaped like a snail shell that is lined with receptor cells that respond to sound
Echolocation The use of reflected sound waves to determine distances or to locate objects
Ultrasound Sound waves with frequencies above the normal human range of hearing
Sonar A system that uses reflected sound waves to detect and locate objects under water
Sonogram An image formed using reflected ultrasound waves
Created by: KiraZ22
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