Question

Solve the crossword puzzle with the help of given clues.

ACROSS

1. Mode of heat transfer from hot end to the colder end of the same body. ( $10$ )

2. A modification in the capillary tube of the clinical thermometer. ( $4$ )

3. Commonly used scale for measuring temperature. ( $7$ )

4. Commonly used thermometric liquid. ( $7$ )

5. Convection current of air from sea towards land. ( $9$ )

DOWN

6. Cyclic movement of a liquid or a gas due to difference in temperature. ( $10$ )

7. Poor conductor of heat. ( $5$ )

8. Good conductor of heat. ( $6$ )

9. Non-conductor of heat and electricity. ( $9$ )

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Accepted Answer

ACROSS

1. Conduction: It is a mode of heat transfer within an object from its hot end to the cold end. It occurs in solids.

2. Kink: It ensures that the level of mercury in a clinical thermometer should not fall on its own.

3. Celsius: It is commonly used scale for measuring temperature.

4. Mercury: It is a heat sensitive material which expands and contracts with a slight change in the temperature, so it is used as a thermometric liquid.

5. Sea breeze: During the daytime, hot air above the surface of the land rises creating a low pressure area which is occupied by the cold air from the sea.

DOWN

6. Convection: On heating, warm fluid rises up and cold fluid sinks down due to less density causes convection currents.

7. Water: It is a poor conductor of heat.

8. Metals: Metals are good conductors of heat, so they are used in making cooking utensils.

9. Insulator: These materials are non-conductors of heat. An insulator does not allow heat to pass through it.

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