Propagation Of Sound
Chapter Name : Sound |
Sub Topic Code : 101_09_12_02_02 |
Topic Name : Propagation Of Sound |
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Sub Topic Name : Sound Needs A Medium To Travel |
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Introduction
The travelling sound waves.
Pre-Requisites:
Sound wave.
Activity:
Various sounds like bird chirps, horns, trumpets etc.
Real Life Question:
What is Sound wave?
Key Words / FlashCards
| Key Words | Definitions (pref. in our own words) |
|---|---|
| Sound wave | Sound wave may refer to: Sound waves, waves that carry sound. |
Learning aids / Gadgets
| Gadgets | How it can be used |
|---|---|
| Tuning fork | Production of sound can be heard on shaking the tuning fork the sound travels from the fork to our ears through the medium ear. |
Real life uses :
Music system, television etc.
Places to visit :
A kitchen where different utensils make different sounds.
Practical examples around us
| Examples | Explainations |
|---|---|
| Water | Water is one such medium. |
What you learn in Theory:
Sound needs a medium to travel.
What you learn in Practice:
Sound needs a medium to travel.