Question

Dear Parents, CLASS 7 PHYSICS

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.

Regards, Principal​

Answer 1

Answer:

energy,2. thermal energy