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Vocab
Vocab 2
Parts of the Ear
Sound Traveling
100
A quick back and forth motion.
What is vibration?
100
***Daily Double!!! The unit commonly used to measure sound.
What is bel or decibel?
100
This part of the ear acts as a funnel and catches sound.
What is the outer ear?
100
Which instrument plays a higher pitch note, a violin or a bass?
What is a violin?
200
How high or low a sound is.
What is pitch?
200
When sound waves stop reflecting or traveling any further.
What is absorption?
200
This part of the ear vibrates first and picks up the sound.
What is eardrum?
200
Which instrument plays a lower note, a trumpet or a tuba?
What is a tuba?
300
***Daily Double!!! How loud or soft a sound is.
What is intensity?
300
When sound waves keep moving through materials to produce sound.
What is transmission?
300
This part of the ear changes vibrations to nerve signals.
What is the cochlea?
300
***Daily Double!!! Peyton is standing at her front door. Her friend Omar is five houses down the street. Peyton yells "Omar!" How is the sound of Peyton's voice transmitted to Omar?
What is waves from Peyton's vocal chords to Omar's ear?
400
The distance from one point on one wave to the exact same point on another wave.
What is wavelength?
400
**Daily Double!!! The kind of sound produced by sound waves with peaks that are very close together.
What is high pitch?
400
***Daily Double Why can't you hear sound in space?
There is no air for the sound waves to travel through.
400
Peyton is standing at her front door. Her friend Omar is five houses down the street. Peyton yells "Omar," but he doesn't hear her. When she calls his name again, what are two things she can do to make sure Omar hears her?
1. yell louder 2. get closer to Omar 3. cup her hands to narrow the sound traveling
500
The number of waves that pass in a given second.
What is frequency?
500
The sound you hear when sound waves are bounced or reflected off of a hard surface.
What is an echo?
500
You want to experiment to test how well various materials muffle sounds. Which variables will you keep the same?
intensity of sound and distance from sound
500
While riding in a car, you notice that the wheels make sounds against the pavement. This pitch rises as the car speeds up. Why is this happening?
What is tires spinning faster will produce a higher pitch sound.