Class 7 Chapter 2 Heat

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Across
  1. 1. All hot bodies radiate _____.
  2. 3. A reliable measure of the hotness of an object is known as ____.
  3. 5. The temperature of _____ body normally does not go below 35 C or above 42 C.
  4. 7. The process by which heat is transferred from the hotter end to the colder end of an object is known as ______.
  5. 9. From the sun the heat comes to us by another process known as ______.
  6. 10. Poor conductors are known as ______.
Down
  1. 2. Thermometer should be washed before and after use, preferably with an ______ solution.
  2. 4. ______ is measured by a device called thermometer.
  3. 6. ______ clothes keep us warm in winter.
  4. 8. the thermometer that measures our body temperature is called as ______.