MAKING SOUNDS

Sound is a kind of energy that is made when something vibrates.
Tap an ampty can.
The can vibrates and makes a sound.

There are loud sound and quiet sound, and those can be measuted in decibels. From this book, people can hear sounds from 0.1 decibels to 120 decibels. Can you imagin what decibels people can make? A shout is about 114 decibels. That ios almost maximum of people's voice boxes. Let me tell some other examples. Nomal chatting is 60 decibels, bell of phone is 70 decibels, inside of train is 80 desibels, beep of a car 110 decivels, motor cycle is 120 decibels and plain is 140 decibels.

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