Sound
Waves
Sound pt. 2
Inventions
100

Sound must travel through this to be heard. 

What is a medium?

100

Sound waves travel fastest through this type of medium. 

What is solid?

100

If the frequency is low than the pitch of a sound is this. 

What is low?

100
He invented the telegraph. 

Who is Samuel Morse?

200

Sound energy is made up of these of the medium that causes it to be heard. 

What is vibrations?

200

Chirping birds have this type of frequency for the sound waves. 

What is high frequency?

200

The higher the amplitude goes, the volume becomes this.

 What is higher?

200

He invented the telephone.

Who is Alexander Graham Bell?

300

This part of the ear is the part that sound travels to the brain from. 

What is the inner ear?

300
Longitudinal waves have this type of pattern. 

What is back and forth?

300

The transfer of energy is this when comparing air to water. 

What is slower?

300

Binary code uses this many symbols.

What is two?

400

This term describes the quality of a sound. 

What is timbre?

400

Sound waves are this inside a classroom, which allows students in the back to hear clearly. 

What is reflected?

400

Sound travels quickest in this type of climate. 

What is warm?

500

In what order does sound enter the ear. 

What is outer, middle, inner?

500

The ability to use sound to locate food is called this.

What is echolocation?

500

This is the steps when making a call from a cellphone to cellphone. 

What is from cellphone the signal is sent, voice changed to binary, tower, satellite, tower, cellphone?

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