WorksheetsSounds and hearing
Total questions: 10
Worksheet time: 5mins
What is the unit of sound
volume
decibels
decimals
intensity
if a rainstorm appears so will you see lightning first or hear thunder sound first.
thunder sound
lightning
how to increase a sound frequency
Increase the pitch
decrease the amplitude
apply greater force
longer the waveLength
What is a wavelength?
A wavelength i the measure of the sound
wavelength is the height of sound wave from one crest to other
the half distance from one crest to other
the wavelength is the amplitude
Describe how sounds are produced.
(dont make any mistake start writing as sounds are produce/made (a) )
what is an equilibrium?
It is used to measure sound.
it is the top lines of sound waves
it is the center line on which sound waves are measured
It is nothing in this Chapter.
Name the smallest bones in our body.
pinna
stirrum
stirrup
The three small bones
Which body parts help us to take the sound towards brain to identify it
Ear drum
Auditory Nerve
ear cannal
brain
The sounds which are compressed by the molecules spreading near it and the molecules which are spreaded are called?
earfraction, mouthwash
compressions, rarefactions
composition, rarefaction
fraction, compression
Why can't sounds travel in vacuum
Because sounds cant travel there
They need solids to travel as solids vibrate and produce a sound
They need air to travel as particles are required to vibrate
No they can travel, by radiation.
