Sound Flashcards
(31 cards)
What happens to the hairs in the Cochlea if they are damaged by loud noise?
The hair cells are bent, broken, and in some cases, totally sheared off.
What is measured in Hz?
Frequency
Does sound travel faster or slower through a solid or air?
Sound travels faster through a solid > because it is more dense
What is noise pollution?
An unwanted sound that intrudes our lives
How do you calculate speed of sound?
Distance traveled (meters) divided by > time taken (seconds)
What does density mean?
How compact a set of particles are
What does dissipate mean?
When something becomes dispersed
What does pitch mean?
A quality of a sound governed by rate of vibrations
What is amplitude?
The maximum event of vibration or oscillation
What does frequency mean?
The rate at which something occurs over a particular period
What does pulse mean?
A single vibration or burst
What does timbre mean?
the character or quality of a musical sound or voice as distinct from its pitch and intensity.
What does vibration mean?
A powerful shaking
What does tone mean?
A musical or vocal sound
What does wave length mean?
The distance between points in a sound wave
What does hertz mean?
The standard measure of the frequency of oscillations
What happens when an object vibrates?
It makes a sound
How do fisherman locate shoals of fish?
They use eco-sounding
In a thunderstorm do you see light or sound first?
You see light get first because light travels faster than sound
Where does convection happen?
A gas and a liquid
What is the human hearing range?
20Hz to 20,000Hz
What is amplitude?
It is a measure of how loud a sound is - how much energy the wave carries- a big amplitude means a loud sound
What do the waves look like for a quiet sound on a oscilloscope?
The waves will have a short height
What do the waves look like for a loud sound on a oscilloscope?
The waves will have a tall height
