Vocab
Vocab
Producing
Detecting
Interacting
100
region of a longitudinal wave where the particles are farthest apart
What is rarefaction?
100
region of a longitudinal wave where the particles are closest together
What is compression?
100
To create sound you must create ________________
What are vibrations?
100
The area on a human that collects and funnels sound waves.
What is the outer ear?
100
Beats are caused by wave _________________
What is interference?
200
a reflected wave
What is an echo?
200
perception of how high or low a sound seems
What is pitch?
200
striking an object to cause vibrations to form sound creates ____________ instrument
What is a percussion?
200
Name the three bones of the middle ear
What are the hammer, the anvil, and the stirrup?
200
animals can use this to find food or avoid predators
What is echolocation?
300
change in pitch when a sound source is moving in relation to the observer
What is Doppler Effect?
300
rapid back and forth motion
What is vibration?
300
forcing air through a column creates a ________ instrument
What is a wind?
300
This is the ear bone that connects to the inner ear
What is the stapes or stirrup?
300
sound cancelling products absorb the wave by ______________ the energy
What is converting?
400
collection of reflected sound waves in a closed area
What is reverberation?
400
system that uses the reflection of sound waves to find underwater objects
What is sonar?
400
pushing out the slide on a trombone ____________ the pitch of the sound
What is lowers/decreases?
400
This part of the ear contains tiny hairs that connect to the nerves to send auditory signals
What is the cochlea?
400
the study of how sound interacts with structures
What is acoustics?
500
amount of sound energy that passes through a square meter in one second
What is intensity?
500
increase in amplitude when an object vibrating at its natural frequency absorbs energy from a nearby object vibrating at the same frequency
What is resonance?
500
a guitar body uses _______________ to amplify the sound of the strings
What is resonance?
500
This bone receives the vibrations from the ear drum
What is the Hammer?
500
this is the origin of the term sonar
What is sound navigation and ranging?
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