Parts of the Ear
This part of the ear focuses sound waves and guides them into the ear canal.
What is the outer ear?
The distance between a certain point on a wave and the same point on the next wave.
What is wavelength?
How loud or soft a sound is.
What is volume?
This is the name of the person widely credited for inventing the first telephone.
Who is Alexander Graham Bell?
This thin, flexible membrane vibrates as sound energy passes through it.
What is the eardrum?
The part of a sound wave where particles are bunched together.
What is a compression?
Reflected sound that can be heard.
What is an echo?
These flying mammals use reflected sound to navigate their environment, often in complete darkness.
What are bats?
This part of the ear gets its name from the Latin word for "snail."
What is the cochlea?
A measure of how many waves can pass through the same point in one second.
What is frequency?
A quick back-and-forth movement
What is vibration?
Humans use this sound-based technology on ships and submarines to scan the ocean floor for hard metal objects.
What is SONAR?
This part of the ear transmits sound information, in the form of electrical signals, to the brain.
What is the auditory nerve?
The height of a wave; in other words, its intensity.
What is amplitude?
How high or low a sound is.
These are the three states of matter, in order of how fast sound travels through them, from slowest to fastest.
What are gas, liquid, and solid?
The smallest in the body, these three bones conduct vibrations from the middle ear to the inner ear.
What are the hammer, anvil and stirrup?
A sound wave with a high frequency has a ________ wavelength.
What is short?
To hit an object and bounce off.
What is reflect?
This explains why you see lightning well before you hear thunder, even though the two happen at the same time.
What is "light travels faster than sound?"