Answer the following
Um
1. Sana lit a matchstick using a matchbox and brought it close to her gas stove
She then placed a pan on the gas stove flames to cook food. Explain the
different sources of heat she used to cook her food.
2. Mohit added cold chocolate syrup to hot milk. In what direction will heat flow
between the two substances?
3. If you drop a red-hot iron ball into a bowl of water at room temperature,
will there be any heat flow? How and till when will it flow? (2)
4. What are the safety measures to safeguard a person from electric shock? (2)
5. What is thermal expansion? (2)
Gina
sons for the following (Ilm)
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sa re ga ma pa dha ni sa sa da ni sa
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