The part of the ear that is not involved in the hearing process.
What are the semicircular canals?
100
I am at school on the verandah and I hear my friend calling me from the grade 3 classroom door. He could do this as a result of what.
What is sound travels in all directions?
100
Musical instruments are divided into these categories.
What is stringed, wind and percussion?
200
The tighter the object the higher the pitch, the looser the object the lower the pitch.
What is the property of sound?
200
If you clean your ears with a small object you can damage this part of the ear.
What is the eardrum?
200
Another name for the pinna.
What is auricle?
200
A hand drill measures this in decibels.
What is 90 dB?
200
Eight bottles were filled with water of varying heights and arranged in order of water level from least to most. When the bottle with the least amount of water was hit this happened.
What is give a high pitch sound?
300
Travels at 3,050 metres per second in this medium.
What is wood?
300
When sound travels into the ear it hits the eardrum first and it begins to vibrate. After that it goes to the middle ear where it is....
What is amplified/ magnified?
300
This part of the ear leads to the throat.
What is the Eustachian tube?
300
An instrument used to measure amplitude of a vibration.
What is the oscilloscope?
300
This eight notes arranged in order is called this.
What is an octave?
400
I tell how loud or soft a sound is and is measured in decibel.
What is intensity?
400
An instrument used to examine the ear.
What is the otoscope?
400
This part of the ear is responsible for transforming vibrations into electrical impulses.
What is the cochlea?
400
When sound travels farther from its source it does this.
What is gets weaker/ weakens?
400
When the drum skin is loosened this happens
What is a low pitched sound?
500
I am created when an object breaks the sound barrier.
What is a sonic boom?
500
A trained professional who specializes in hearing impairments and the devices used to correct them.
Who is an audiologist?
500
Another name for this part of the ear that channels sound
What is auditory canal?
500
Because of this sound travels faster in water than in air.