About sound
The energy caused by an object's vibration
What is sound?
Vibration that travels through a solid, liquid, or gas
What is a wave?
How high or low a sound is perceived to be
What is pitch?
Sound that bounces back from an object
What is an echo?
What is your hearing?
The difference in sound
What is quality?
The study of sound waves
What is acoustics?
Anything that has volume and mass
What is matter?
Any undesired sound, random mix of pitches
What is noise?
This word means "fear of music"
the unit for loudness
What is decibel?
A device that uses sound waves to measure distance and to find objects under water
To move back and forth quickly
What is vibrate?
All matter is made up of these small particles
What are molecules?
All sound is made from the vibration of these
What are molecules?
The strength of sound
What is intensity?
The number of waves produced in a given amount of time
What is frequency?
Sounds with frequencies greater than 20,000Hz
What is ultrasonic
When air molecules are pushed together
What is compression?
This is the loudest natural sound on the Earth
What is a volcano erupting?
Energy needed to produce a louder sound
What is amplitude?
The distance from one point on a wave to another similar point on the next wave
What is wavelength?
Explosive sound heard when shock wave from an object going faster than the speed of sound reaches a person's ears
What is a sonic boom?
Apparent change in pitch of sound caused by motion of the listener or source of sound
What is the Doppler Effect?
The hammer, anvil, and stirrup are the tiniest bones in the body and are in the ear.
What are the ossicles?