What the heck is a sound wave?
A series of compressions and expansions traveling through a medium.
What is a sound wave?
The "highness" or "lowness" of a sound, as perceived by humans.
What is pitch?
The speed of sound depends on the _________ through which the sound wave travels.
What is medium?
This happens when two waves are in the same place at the same time.
What is interference?
This is the number of times a wave passes a given point in a given period of time.
What is frequency?
A sound wave is a _____________ wave.
What is longitudinal or compression?
The pitch of a sound depends on the __________ of the sound wave.
What is frequency?
The speed of sound in air with a temperature of 20° C.
What is 343 m/s?
This audible phenomenon occurs when two sound waves interfere with one another.
What is beats?
This is the formula for the speed of sound.
What is frequency times wavelength?
Sound waves are produced by these kinds of objects.
What are vibrating objects?
Sounds with a frequency below 20 Hz.
What is infrasonic?
Sound cannot travel through a _________.
What is vacuum?
The cause of the increase in volume of beats.
What is constructive interference?
A change in frequency due to the source of the sound moving toward or away from the listener.
What is the Doppler effect?
Sound waves travel in which direction from the source of the sound?
What is all directions?
Sounds with a frequency above 20,000 Hz.
What is ultrasonic?
How long does it take sound to travel about 1 km?
What is 3 seconds?
This is the measurement of how many beats occur in a given period of time.
What is beat frequency?
For a given medium, this is constant for all frequencies of sound waves.
What is speed?
The loudness of a sound depends on the _____________ of the sound wave.
What is amplitude?
Two tuning forks are vibrating at 1350 Hz. One tuning fork is made of steel, and the other is made of copper. What is different about their respective pitches?
What is nothing?
In air with a temperature of 20° C, a sound wave can travel about __________ m in 8 seconds.
What is 2744?
The beat frequency generated by the sound waves created by objects vibrating at 100 Hz and 95 Hz, respectively.
What is 5 Hz?
A sound wave is traveling at 340 m/s and has a wavelength of 2 meters. This is its frequency.
What is 170 Hz?