Heat

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1. The coldest temperature in the world was measured in the continent.

2. determines the direction of flow of heat.

3. Temperature measures the kinetic energy of molecules.

4. The sun give us and

5. In the past people used to rub together to light fire.

6. The expansion in length is called

7. The expansion in volume is called

8. Movement of molecules : Heat, Heat energy :

9. Ordinary glass : Glass tumbler, Pyrex glass : glassware

10. The units of heat used are and