Parts of a Wave
Top of a wave
Crest
What is frequency?
Number of waves that pass through a point per second
Flappy part of the ear
Pinna
How does sound travel?
Vibrations
What are the three types of mediums sound can travel through?
Solid, liquid, gas
Bottom of a wave
Trough
What determines pitch (how high a sound is)?
Frequency
What are the three main parts of the ear?
Sound is what type of wave?
Longitudinal
What medium does sound travel slowest through?
Gas
Height of the wave
Amplitude
What does amplitude determine?
Loudness of a wave
What part sends electrical signals to the brain?
Auditory Nerve
True or False: Sound does not need a medium in order to travel?
False
What two animals can hear below human hearing?
Elephants and Whales
Distance between two crests or two troughs
Wavelength
Finish the sentence: The taller the wave, __________
The louder the sound
List the inner ear bones? (In order of sound traveling)
Hammer, Anvil, Stirrup
What is a reflected sound wave called?
An echo
Finish the sentence: The softer the surface, ________
The more sound is absorbed
Line that passes through the middle of the wave
Rest Position
What do we measure loudness in?
What is located inside of the cochlea? And what does it do?
Tiny hairs that register frequency of sound
What is the doppler effect?
The change in sound as the sound gets closer and further away
What is a humans range of hearing?
20 Hz to 20000 Hz