Vocabulary
What is Amplitude?
How high/low a crest or trough is on a soundwave
What is Medium?
The material a sound wave travels through
Does higher or lower amplitude cause louder sounds?
Higher amplitude
What are the hair-like cells inside your ear?
Stereocilia/Hair cells
What is frequency?
The rate of waves on a sound wave
What is Cochlea?
The spiral shaped fluid filled cavity inside the ear
Does Pitch Damage your hearing?
No
What is the spiral shaped part of your ear that has fluid inside?
Cochlea
What is Pitch?
A property that shows how high or low a sound is measured with hertz
What is Peak?
The highest point of the wave
What does Frequency change?
Pitch
What is the thin membrane that separates the outer ear and the middle ear?
Ear Drum
What are Particles?
Small matter that makes up atoms.
What is Hertz?
The unit used to measure pitch.
What does Amplitude change?
Loudness
What part of the ear is the Cochlea in?
The Inner ear
What is Vibration?
Back and forth motion of objects that creates the waves
What is Wave Length?
The distance between waves.
What happens to sound waves when they hit a solid?
The wave travels through the solid.
How many Hertz can the average human hear?
1900-2000 Hz