Sounds that are too loud or loud sounds that last a long time.
What is harmful sound
200
Every sound we hear is due to this.
What is a vibration
200
A property of sound characterized by high volume or intensity.
What is loudness
200
An empty place with no particles in it, so it can’t carry sound.
What is a vacuum
200
Its function is to transmit sound from the air to the ossicles inside the middle ear.
What is the ear drum
300
A vibrating object.
What is a vibrator
300
Sound in which there is no pattern of frequencies or no regular pattern in the time at which it occurs.
What is noise
300
The reflection of sounds from solid objects.
What is an echo
300
Wear earplugs or other hearing protective devices when involved in a loud activity, be alert to hazardous noise in the environment.
What is how to protect your hearing
400
Decible and Hertz
What is the units of sound and frequency
400
The biggest distance through which a vibrator moves from its rest position.
What is amplitude
400
6000 m/s
What is speed of sound in solids.
400
They are part of the organ of balance which is a part of the inner ear. This area has fluid and tiny hairs that respond to changes in direction.
What is semi circular cannal
400
Sensitive hair cell structures in our inner ear can be damaged causing this
What is noise-induced hearing loss.
500
A short vibrator moves up and down fast and produces this
What is high frequency
500
Number of vibrations an object makes each second.
What is frequency.
500
20 Hz - 20,000 Hz
What is the human hearing range
500
The cochlea is filled with a watery liquid, which moves in response to the vibrations coming from the middle ear. As the fluid moves, thousands of hair cells are set in motion, and convert that motion to this.