Question

Chapter : HEAT AND IT'S EFFECTS

Worksheet

1. Heat is a form of _________ .

2. Heat energy is also called as __________ energy.

3. Matter in all forms -solids , liquids or gas- ___________ in heating.

4. Heat flows from a region of __________ temperature to a region of

______temperature.

5. Railway tracks are constructed with gaps in the rails to allow the metal

rails to ________ due to the heat of summer and the heat generated by

________.

6. Can you suggest one more example in your daily life that uses the

principle of expansion of solids?

7. Cooking vessels should be made of ______ conductors.

8. Give one example where heat energy can be converted to other forms of

energy.
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Answer 1

Answer:

I don't know what is the answer

Explanation:

sorry for the answer

Answer 2

Answer:

1- Energy

2- Solar energy

3- changes state

4- High to low

5- Expanded , Sun'heat

6- .?

7- Metals

8- Heat energy to electricity by solar panels