Vocabulary
Vocabulary 2
Vocabulary 3
Morse Code
The Ear
100
noise caused by vibration
What is sound?
100
Reflected sound heard again.
What is an echo?
100
noise caused by vibration
What is sound?
100
these are used to create or print Morse code...
What is dots & dashes?
100
a tube running from the outer ear to the middle ear
What is the auditory canal?
200
the speed sound travels
What is speed of sound
200
An energy wave in which sound travels.
What is wave (sound wave)?
200
Need to make something move
What is force?
200
He created Morse code.
Who is Morse Code?
200
a membrane of the middle ear that vibrates in response to sound waves
What is the ear drum?
300
bounced back sound on a smooth hard surface
What is reflection?
300
High or low tones
What is pitch?
300
Sound waves travel the fastest through this...
What is a solid?
300
... _ _ _ ... means.....
What is S.O.S.?
300
a hammer-shaped small bone or ossicle of the middle ear which connects with the incus
What is the hammer?
400
loudness or softness
What is volume?
400
loudness or softness
What is volume?
400
This can be a solid, liquid or gas ...
What is Matter?
400
Morse Code was invented this year.
What is 1837?
400
a tiny bone that passes vibrations from the hammer to the stirrup
What is the anvil?
500
Unit used to measure volume.
What is a decibel?
500
moving back and forth
What is vibration?
500
the 2 countries Mr. Peightel went to visit....
What is Ireland & Scotland?
500
Morse code was a great communication tool between these...
What are towns, trains ships, etc.?
500
transmits vibrations ? to the oval window and ultimately to the cochlea ?of the inner ear
What is the stirrup?
M
e
n
u