Sound
Examples of Amplifiers(Name 1 only)
Microphone or Megaphone
What is the outer ear called?
pinna
label 1
pinna
Faster vibrations make _____(1) sound and slow vibrations create ____ (2)sounds. 100 for every correct answer
1= high 2= low
Label 5
lungs
What is sound caused by ______?
Vibration
The pinna directs sound waves into the ____ _____?
ear canal
label 2
ear canal
A long string vibrates slowly and produces a ___ sound.
low
label 2
mouth
what is used to measure the loudness of sounds?
Decibels
the sound waves make the eardrum _____?
vibrate
label 7 and 8
7 = cochlea and 8 = auditory nerve
high and low sounds depend on how ____ an object vibrates
fast
nose cavity
Sound waves travel fastest through ______?
(Hint: Solid, Liquid, or Gases)
solid
The vibrations pass through the 3 bones of the middle ear.( ____, ______, _____)Also 400 points for every bone you name. 1600 will be rewarded in total.
stirrup, hammer, anvil
label 3
ear drum
a short string vibrates _______(1) and produces a _____(2) sound. 300 points for each correct answer.
quickly = 1 high = 2
label 3
voice box
The loudness of a sound is determined by the _______ between the sound and the ear
distance
The sound then travels to the _____ in the inner ear where the _____ _______
cochlea then auditory nerve
Label 4,5,6( 500 points for each one )
4= hammer
5= anvil
6= stirrup
Thick string vibrates ____(1) and produces a ___(2) sound.
Thin string vibrates _____(3) and produces a ____(4) sound
1= slowly 2= low 3= quickly 4 = high( 500 points for each correct answer
label 4
wind pipe