MUSICAL INSTRUMENT

Musical instruments

PHYSICAL SCIENCE

SOUND

• Sound is produced when an object is set to

vibrate.

• Vibration means a kind of rapid to and fro

motion of a particle. Which causes the
substance around it to vibrate

• The substance through which sound is

transmitted is called medium

Multiple Choice

Sound is produced when an object is set to ?

• vibrate

• pulsate

• All musical instruments create sound by

causing matter to vibrate. The vibration states
sound waves moving through the air

• Most musical instruments use resonance to

amplify the sound waves and make the sound
louder

Frequency

Fill in the Blanks

▪ Sound that produces a pleasing

sensation to the ear is called
music

▪ Music is produced by the regular

patterns of vibration

Musical instruments are
classified into as
• Wind instruments
• Stringed instruments
• Percussion instruments

Draw

DRAW ANY MUSICAL INSTRUMENT OF YOUR LIKING

Multiple Choice

How many type of musical instruments are there

• 3

• 5

• 2

• 6

Wind instrument

❑

The sound is produced by the
vibration of air in a hollow tube

❑

Frequency is varied by changing the
length of the vibrating air column

❑

Example: flute , saxophone

Fill in the Blanks

String instrument

❑ Make use of string or wire to produce

vibration

❑ Have hollow boxes that amplify the

sound that is produced

❑ The frequency of the sound is varied by

the length of the vibrating wire

❑ Example: violin , guitar

Word Cloud

example of string instruments

Percussion instruments

❑ Produce a specific sound when they are struck ,

scrapped or clashed together

❑ Percussion instruments like drum and tabla consist of

a leather membrane which is stretched across a hollow
box called resonator

❑ When the membrane is hit, it starts vibrating and

produce the sound

Most musical instruments have a
way of changing the frequency
of the sound waves they
produce. This changes the pitch
of the sound or how high or low
the sound seems to the listener

https://drive.google.com/file/d/1GQEp-
68l53SGxTbKKTwQ0mV9wRLCmcIx/vie
w?usp=drive_link

Poll

percussion instrument consist a hollow box

• yes

• no

Open Ended

List the types of musical instruments

Multiple Choice

The sound produced by the vibration of air in
a hollow tube

• string instrument

• wind instrument

• percussion instrument

Thank you

Open Ended

what are the musical instruments we learnt today