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7th Grade Unit 4.1 Sound

Horizontales
A pressure wave that is produced by a vibrating object and travels through matter.
(dB)- The unit used to measure the loudness of a sound wave.
Contains the semicircular canals and another fluid-filled structure shaped like a snail.
The distance from any point of the next cycle.
An opening that connects the middle ear with the nasal-sinus cavity. This tube helps to: Balance pressure in the middle ear, drain fluid from the middle ear, and protect the ear from both hearing sounds your body causes and nasal drainage.
A small, tube-like pathway that extends from the outer ear to the eardrum. It has many functions, such as protecting the delicate inner ear from bacteria and dirt, and warming air before it enters the inner ear.
A substance through which sound and other waves travel.
Verticales
Consists of the part of the ear on the outside of the skull, the ear canal, and the eardrum.
A chamber in the ear filled with air, and is connected to the throat by the eustachian tube.
A disturbance that transfers energy from one place to another.
The number of cycles in a given amount of time.
The unit to fo frequency, which is one cycle per second.
A thin, tightly stretched membrane that separates the outer ear and the inner ear.
The fluid-filled structure shaped like a snail located inside the inner ear. Here, cells are stimulated by sounds and send electrical signals to the brain.
The characteristics of highness or lowness of sound.