Properties
The amount of waves per unit of time
Frequency
True or false: the speed of sound never changes
Which travels faster, light or sound?
Light
The first thing to vibrate in your ear is...
eardrum
What is the name of the cowboy toy in toy story?
Woody
The reflection of sound waves
Echos
At higher altitudes, the speed of sound is...
Lower
True or false: sound requires a medium to travel?
true
The 3 bones
What is the hardest material on earth?
Diamonds
What is pitch?
The highness or lowness of a sound
In space sounds speed is?
Sound does not travel in space
Of the 4 types of wave bending, which one does sound not do?
Scattering
After the 3 bones, what vibrates in your ear?
The cochlea
What is the largest bone in the human body?
the femur
What controls the intensity of a sound?
Amplitude
What is the speed of sound?
750 mph
The unit for frequency is...
Hertz
After the cochlea what happens next?
Which instrument has 88 keys?
a piano
What controls the pitch of a sound?
Frequency
If a ship blows its horn and the noise is heard 30 seconds later, how far is the ship from you?
6.25 miles away
The intensity of sound is measured in...
Decibels
The nerve carries the sound to what?
Your brain
What planet is known as the "red planet"
Mars