Parts of the Wave
What is part C?
Crest
Define Wavelength
The distance between one wave crest to the next one.
What determines the pitch of a sound?
Frequency
What do sound sources produce?
Vibrations
What is part #3?
Tympanic Membrane (Eardrum)
What is part A?
Trough
Define Crest
The highest point of a wave.
What determines how loud a sound is?
Amplitude
Name the 2 types of waves.
Transverse and Longitudinal
What is part #2?
Auditory Canal (ear canal)
What is part C?
Wavelength
Define Compression
An area where the particles are close together in a wave.
Describe the sound if the wave has low frequency and low amplitude.
Quiet and low pitch
What is the unit for Pitch?
Hertz
What is part #4?
Cochlea
What is part B?
Rarefaction
Define Medium
A collection of particles of matter that a wave can travel through.
Describe the sound if the wave has high frequency and low amplitude.
Quiet and high pitch
Can you hear sounds in space? Explain your answer.
No, because there isn't a medium for the sound waves to vibrate.
What is part #1?
Auricle
What is part B?
Amplitude
Define Amplitude
The distance from the middle of the wave to the crest or trough.
Describe the sound if the wave has low frequency and high amplitude.
Loud and low pitch
How do sounds get to your brain? (5 steps)
1. The sound wave vibrates the medium
2. The vibrations travel down your ear canal
3. Your eardrum begins to vibrate
4. Then the tiny bones hit the Cochlea
5. The hair cells in the cochlea turn the vibrations into electrical signals to send to the brain
What is part #5?
Auditory Nerve