Basics
Properties
Wave Interactions
Mystery
100
A disturbance that transmits energy
A Wave!
100
Give an example and define the doppler effect.
Apparent change in frequency of a sound caused by the motion of the source or the listener.
100
An echo will most likely occur on a surface that is???
Smooth and hard
100
How can you protect your hearing?
use earplugs
200
What does an oscilloscope do?
changes sound waves into electrical signals then graphs it on a screen.
200
The amplitude of a sound's waves affect?
Loudness
200
Who might suffer from tinnitus?
Rock Star
300
Sound is created by?
The vibration of particles through a medium.
300
What unit is used to express loudness?
Decibel (dB)
300
What does the frequency of a sound wave affect?
Pitch
300
What is needed for sound to travel?
Medium
400
A substance a wave can travel through is?
A Medium!
400
What are two factors that influence the speed of sound?
Material of the medium and temperature. (solid, warm)
400
Occurs when sounds waves overlap and combine.
Constructive/ destructive interference
400
Why won't sounds travel in a vacuum?
No particles to vibrate
500
Sounds travels fastest through what type of medium?
Solid
500
Define Pitch
How high or low a sounds seems
500
What is the difference between constructive and destructive interference?
Constructive makes louder Destructive makes softer
500
When will you hear a sonic boom?
When a shock wave reaches your ears
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