PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free DemoMaterials required:
- \(3\) bowls of equal shape and size
- Water
- Heater
- Ice cubes
Procedure:
- Take three bowls.
- Pour very cold water in the first bowl. (you can also add ice cube for cooling).
- Place Luke warm water in the second.
- Half fill the third with hot water (-not hot enough to burn!).
- Set them in a row on the table, with the lukewarm water in the centre.
- Place your right hand in the cold water, and your left hand in the hot water.
- Keep them in for a few minutes.
- Now take them out, shake off the water and put both into the middle bowl.
How do you feel?
When you placed your left hand in the hot tub, the heat from the bowl made the molecules on your hand because the energy (heat) moved from th, which was hotter than , to , making it feel .
When you keep the same hand in the second bowl the vibrations transferred from your hand to make the particles in the water vibrate because the water in the second bowl was than your hand. The energy (heat) and .
Therefore you feel and hence your hand feels .
In the same way, When you placed your right hand in the cold tub, the made the vibrate faster because the energy moved , making it feel .
When you keep the same cold hand in the second bowl the vibrations transferred from to make the vibrate faster because the water in the second bowl was than your hand. The energy (heat) transferred from to .
Your right hand which was placed in cold water, feels when you insert it into the lukewarm water.
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