Q1 of 16 Page 35

A and B are two objects. The temperature of A is greater than that of B. This means that

The temperature of a body is the average kinetic energy of all the molecules inside the body, so if an object A has a temperature more than object B, then the molecules inside the object A will move faster than the molecules of object B because the temperature of object A is more than object B.

More from this chapter

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1

When an object is heated, the molecules that make up the object

 1

The temperature of a body is an indicator of

 2

Fill in the blanks with suitable words:

1. The degree of hotness of a body is called_______ (heat/ temperature)


2. Temperature is expressed in_______(degree centigrade/joule)


3. A substance changes from liquid to gas at constant temperature.


It is called _______(condensation/boiling point)


4. The temperature of boiling water in the Celsius scale of temperature is ________°C (100/373/212/32)


5. The SI unit of heat is _________(Joule/Celsius)

 3

State whether the following statements are true or false:

1. Liquids expand on heating.


2. The unit of heat and temperature are the same.


3. A bimetallic strip is used in fans.