Sound
Sound is produced by an object that is doing this.
What is vibrating?
Hertz is a unit that measures this.
What is frequency?
The speed of sound is this fast through air.
What is 340 meters per second?
How high or low a sound seems to be is described as this.
What is pitch?
The anatomical name for the ear-drum is this.
What is the tympanic membrane?
Sound travels through these 3 types of matter.
The abbreviation for hertz is this.
What is Hz.?
High frequency sound waves are bounced off various internal objects in this technology. (Sometime used to see a fetus)
What is an ultrasound?
The human perception of sound volume that primarily depends on sound intensity is known as this.
What is loudness?
The "hammer" is aka this.
The study of sound is known as this. (A type of guitar)
What is Acoustics?
Decibels measure this.
What is sound intensity?
This is the level of decibels when the pain threshold is broken.
What are 120 decibels?
The amount of energy that passes through a certain area in a specific amount of time is known as this.
What is intensity?
The "anvil" is aka as this.
Sound travels fastest through this medium.
What are solids?
Frequency of a wave is a measure of how many of these.
What are wavelengths?
The change in wave frequency due to a wave source moving relative to an observer or an observer moving relative to a wave source is known as this. (An ambulance)
What is the doppler effect?
A hollow chamber filled with air that amplifies sound when the air inside of it vibrates is known as this.
What is a resonator?
The "organ of hearing" that is shaped like a snail is known as this.
What is the cochlea?
Sound usually travels through this medium the slowest.
What is air?
A form of echolocation that uses reflection of underwater sound waves to detect objects is known as this. (Sound Navigation and Ranging)
What is SONAR?
Any collection of sounds that are deliberately used in a regular pattern is known as this.
What is music?
Most species of bats depend on this behavior of sound where reflecting sounds allow them to locate objects.
What is echolocation?
The pathway of the ear canal that sends sound waves to the ear-drum is known as this.
What is the external acoustic meatus?