Sound Waves
What is sound caused by?
Vibration
The wave frequency is 70 Hz. The wavelength is 30 m. What is the speed?
2100 m/s
What is a wavelength?
The distance between two points of a wave.
The wavelength is the distance from one ----- to the next.
Crest
Amplitude is the highest point of a wavelength
False
Sound travels fastest through
solids
The speed of sound is 346 m/s. If the sound wave travels at the frequency of 55 Hz. What is the wavelength?
6.29 m
What is the crest of a wave?
Crest is the highest point of a wave
The middle of a wavelength is -----
Midpoint
The formula for wavelength is speed/frequency
True
What does sound travel through?
Sound travels through a medium
A wave speed is 30 m/s. The wavelength is 5 meters. What is the frequency?
6 Hz
What is the lowest point between two crests?
Trough
Ocean waves are a type of surface wave that are created by ----
Winds
Matter is something that has mass and takes up space
True
What is volume measured in?
Decibels
An ocean wave has a length of 15 meters. The wave passes a fixed location every 3 seconds. What is the speed?
45 m/s
What is the distance a wave moves from the midpoint?
Amplitude
When the frequency is low, the wavelength is ----
high
Speed is how often a wave occurs
False
What is the speed of vibration?
Frequency
The frequency of the wave is 25 Hz. The speed of the wave is 5 m/s. What is the wavelength?
5 m
What are Hz
Cycles/Second
The higher the amplitude the ----- energy the wave has
more
Cycles per second are how many waves travel per second
True