The Ear
Sound Waves
Sound
Waves
Other
100
This is the part of the inner ear that sends the sound vibrations to the brain.
What is the cochlea
100
These are created when objects vibrate.
What are sound waves
100
This is a low or high sound.
What is pitch
100
In this type of wave, the particles move up and down (like a ripple in a pond).
What is a transverse wave
100
This is the only type of wave that does not travel through a medium.
What is electromagnetic wave
200
This section of the ear delivers the sound vibrations to the inner ear.
What is the middle ear
200

A resonator is a hollow chamber filled with air that ____ the sound when the air inside of it vibrates.

What is amplifies? 

200
This type of sound has a high frequency.
What is a high pitched sound
200
This is the name for the lowest part of a wave.
What is a trough
200
Why do you see lightening before you hear the thunder?
Light waves travel much faster than sound waves. Light waves are electromagnetic waves; they do not travel though a medium.
300
This part of the ear has thinly stretched skin that helps read the vibrations.
What is the ear drum
300

Sound quality describes the differences between sounds of the same ____ and ____.

What is pitch and loudness?

300
Hertz (Hz) is the measurement of _______.
What is frequency
300
This describes the number of waves that pass by one spot during one second.
What is frequency
300

Describe the Doppler Effect.

A car will sound higher in pitch as it travels toward you and lower in pitch after it passes you.

400
This is the outermost part of the ear.
What is the pinna
400

____ depends on the intensity of sound.

What is energy?

400
Explain why a high pitch sound would cause your ears to hurt.
Fast wavelengths are hitting our ears.
400
This wave moves in a back and forth motion. This describes a sound wave.
What is a longitudinal wave
400
This is a disturbance that travels from one place to another.
What is a wave
500
This is the part of the ear where it is safe to clean with a Q-tip. Ear wax is produced here.
What is the ear canal.
500

If an ambulance gets closer to your vehicle on the road, how will the frequency change? And what is this known as?

What is increase and the Doppler Effect?
500
Name 4 steps that enable us to hear.
1. Sound reaches the ear. 2. The ear drum vibrates. 3. The cochlea reads the vibrations and sends them to the brain. 4. The brain tells you what you are hearing.
500

Suppose you have been hired to reduce the reverberation that occurs in classrooms. What recommendations would you make?

Answers will vary: curtains, cushioned seats, carpet.

500

Examine the relationship between volume setting and loudness of a portable music player.

What is positive (as volume increases, so does the loudness)?

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