9-A
a rapid back and forth movement
vibration
How high or low a sound is.
Pitch
a disturbance that moves energy from place to place
wave
the decibel level of a jet taking off
160
can communicate ideas and feelings.
music
A vibration that can be heard
sound
A number of waves that pass a point in one second.
Frequency
The distance from one compression to the next
wavelength
the decibel level of a warning siren
140
materials that absorb sound my be....
rough,soft,or fuzzy.
As the motion of vibration moves away from compression the particles spread apart again what is this called?
rarefaction
A type of microphone that converts mechanical sound waves into electrical impulses
oscilloscope
the ability to see with sound
echolocation
the decibel level of a rock music concert
130
materials that reflect sound may be...
smooth and hard surfaces,
The motion of each vibration pushes together some of the particles of matter what is this called?
compression
the quality of a sound that distinguishes it from other sounds of the same pitch and volume is called?
Timbre
the science of sound
acoustics
100
Most sounds are only intended to be heard how many times?
once
What is the intensity of sound measured in?
decibles
how loud or soft a sound a sound is
volume
if a sound is high what would you call it
high frequency
the decibel level of the threshold of breathing
0
What is one common form of communication?
sound