Vocabulary
Speed of Sound
Identify It!
The Ear
Properties of Sound
100
A set of tones combined in a way that is pleasing to the ear
What is music?
100
The formula to calculate the speed of a sound
What is distance/time?
100
Bats use this to navigate
What is echolocation?
100
Sound waves enter through this part of the ear
What is ear canal (outer ear)?
100
Sound waves carry this
What is energy?
200
How high or low a sound seems
What is pitch?
200
True or False? Sound travels slower in liquids than gases.
What is False?
200
A doctor makes a sonogram
What is ultrasound?
200
The hammer, anvil, and stirrup make up this part of the ear
What is the middle ear?
200
A sound wave needs both of these
What is an energy source and a medium?
300
The use of sound waves to navigate and find objects
What is echolocation?
300
The three properties of the medium that can affect the speed of sound
What is temperature, density, and stiffness?
300
Used by doctors to make a diagnosis
What is ultrasound?
300
The end of the ear canal; the tiny membrane that vibrates from sound waves
What is eardrum?
300
This is determined by the amplitude of a sound wave
What is loudness?
400
The picture produced by an ultrasound
What is sonogram?
400
The speed of sound (increases / stays the same / decreases) if the temperature of the medium decreases.
What is decreases?
400
This device can provide an image of a sunken ship on the ocean floor
What is sonar?
400
The name for the nerve that connects our ears to our brain
What is auditory nerve?
400
The type of mechanical wave for sound
What is longitudinal wave?
500
The amount of energy sound wave carries per second through a unit area
What is intensity?
500
A bat is using echolocation to locate its cave. The distance from the bat to its cave is 52 meters. It takes 4 seconds for the sound wave to "bounce back". What is the speed of the sound wave sent out by the bat? (Remember your units!)
What is 13 m/s?
500
The changing pitch of a police car's siren as it drives by
What is Doppler effect?
500
Contains tiny hair cells which vibrate and send messages through the nerve to the brain
What is cochlea?
500
A sound wave's frequency determines this
What is pitch?
M
e
n
u