Vocabulary
What is pitch and what causes a high-pitched sound?
Pitch is how high or low a sound is, and a high-pitched sound is caused by a high frequency.
Where are the eardrum and hammer, anvil, and stirrup located?
The middle ear
What area in a sound wave is where molecules are pressed together?
Compression
What fills with air and enables both breathing and speech?
The lungs
Where can't sound travel?
In a vacuum/Outer space
What is the term for how loud or soft a sound is?
Volume
Where are the auricle and the auditory canal located?
The outer ear
What is the top part of a sound wave, located in the area of compression, called?
The crest
What is the air's passageway to the lungs?
The trachea
Name the three types of matter.
Solids, liquids, gases
What is the area in a sound wave where molecules are spread apart?
Rarefaction
What are the semicircular canals, cochlea, vestibule, and auditory nerve?
The inner ear
What is the bottom part of a sound wave, located in the area of rarefaction, called?
What are the two bands of muscle inside the larynx?
The vocal cords
What is sound caused by?
Vibrations
What is the unit of measurement for amplitude?
Decibels
The vibrating eardrum makes the ______ of the middle ear vibrate?
The vibrating eardrum makes the bones of the middle ear vibrate.
What is the term for the distance between two crests in a sound wave?
Wavelength
What is the name of the muscle located underneath the lungs?
Diaphragm
What is a vibration?
A rapid back and forth motion.
What is the number of vibrations in a sound wave per second?
Frequency
The cochlea's hair cells are moved by the waves in the fluid of the inner ear.
What is the height of a sound wave?
Amplitude
What does contracting your vocal cords while breathing out cause? (Give details)
It creates less space for air to pass through, making the vocal cords vibrate and make sound.
Through which state of matter does sound travel the fastest and why?
Sound travels the fastest through solids because the molecules are closer together.