|
Materials Required
|
* 5 or more drinking glasses or glass bottles
* Water
* Wooden stick such as a pencil
|
|
|
|
Method
|
- Line up the glasses and put water in each glass, such that the first glass contains the least water and the last glass is almost full.
- Hit the glass with the least amount of water and observe the sound.
- Then hit the glass with the most water, and compare which made a louder sound.
- Observe the tune you can make by hitting each glass.
- With this the children can have a small music composed by them.
|
|
What is Learnt
|
|
Each of the glasses will have a different tone when hit with the pencil. This is observed when a wooden stick hits the glass.
|
|
Conclusion
|
|
The glass with the most water will have the lowest tone and slowest vibration, while the glass with least water has highest vibration and sound.
|
Flash Cards