Waves 1 - Sound (Activate Y7) - Glossary Flashcard

Front

Auditory Canal

Back

The passage in the ear from the outer ear to the eardrum.

Front

Auditory Nerve

Back

An electrical signal travels along the auditory nerve to the brain.

Front

Auditory Range

Back

The lowest and highest frequencies that a type of animal can hear.

Front

Brain

Back

The organ in the human body that coordinates nervous responses.

Front

Cochlea

Back

Snail-shaped tube in the inner ear with the sensory cells that detect sound.

Front

Vibration

Back

A back and forth motion that repeats.

Front

Amplify

Back

To increase the amplitude of a sound so that it sounds louder.

Front

Amplitude

Back

The maximum amount of vibration, as measured from the middle position of the wave.

Front

Crest

Back

The top of a wave.

Front

Decibel

Back

A commonly used unit of sound intensity or loudness (dB).