Embedded Files
SOUNDS THAT YOU CAN HEAR AROUND YOU....
SOUNDS THAT YOU CAN HEAR AROUND YOU....
MUSICAL INSTRUMENT
COMMUNICATION DEVICES
PEOPLE SINGING
BIRD CHIRPING
VIBRATIONS AND SOUND
VIBRATIONS AND SOUND
SOUND IS PRODUCED BY VIBRATION OF AN OBJECT
THE STRONGER THE VIBRATIONS OF THE OBJECT, THE STRONGER THE SOUND PRODUCED
KNOCKING
When xylophone is knocked, the bars vibrate
BLOWING
When the flute is blown, the air inside the flute vibrates
PLUCKING OR BOWING
When the strings of the guitar are plucked or bowed, they vibrate
CLAPPING
When hands are clapped , they vibrate
A table that is pushed on a rough surface will produce a sound
A table that is pushed on a rough surface will produce a sound
CHARACTERISTICS OF SOUND
CHARACTERISTICS OF SOUND
SOUND MOVES IN ALL DIRECTION
SOUND MOVES IN ALL DIRECTION
Car horn sounds can be heard by both the boy and the girl
SOUND CAN BE REFLECTED
SOUND CAN BE REFLECTED
The boy's clapping can be heard back by him
phenomenon of sound reflection
phenomenon of sound reflection
echo
echo
An echo is produced when a sound is relfected in hard surface
sonar
sonar
A technology that reflects ultrasonic sound to detect objects in water
ultrasound machine
ultrasound machine
ultrasound is a sound that humans cannot hear but can be heard by animals
ULTRASONIC MACHINE is used to detect organs in the body of a patient or fetus in the womb
useful and harmful sounds
useful and harmful sounds
useful sounds
useful sounds
SOUND ALLOWS US TO COMMUNICATE
MUSICAL SOUND CAN BE ENTERTAINING
THE SIREN INDICATES EMERGENCY ALERT
THE RINGING OF THE PHONE PROVIDES NOTIFICATION ON INCOMING CALLS
HARMFUL SOUNDS
HARMFUL SOUNDS
A NOISY ENVIRONMENT MAKES IT DIFFICULT FOR US TO COMMUNICATE
NOISES FROM VEHICLES CAN CAUSE DISTURBANCE AND STRESS
FREQUENT OR EXCESSIVE LOUD NOISE CAN CAUSE HEARING PROBLEM
REDUCING NOISE POLLUTION
REDUCING NOISE POLLUTION
USE SOUND ABSORBERS LIKE CARPETS , CURTAINS AND WINDOWS
USE EAR PROTECTOR
QUIZ TIME !!!!!
QUIZ TIME !!!!!
let's conclude.....
let's conclude.....
Please watch the video ... Thank you... 👩🏫
Page updated
Report abuse