Write any three points of difference between heat and temperature
Answers
Heat:
It is a form of internal energy* obtained because of the random motion and the attractive force of molecules within the substance.
Its SI unit is joule.
The amount of heat energy contained in a body depends on its mass, temperature and material (specific heat capacity).
It can be measured using the principle of calorimetry (or principle of method of mixtures).
Two bodies that have the same amount of heat energy can differ in their temperature.
When two bodies are in contact, the total amount of heat energy is the sum of the heat energy of each body.
Temperature:
It is a quantity that determine which direction the heat energy will flow in.
Its SI unit is kelvin.
The temperature of a body depends on the average kinetic energy of its molecules.
It is measured using a thermometer.
Two bodies at the same temperature can contain different amounts of heat energy.
If two bodies at different temperatures are kept in contact, the resultant temperature will be the temperature between the two temperatures.
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Answer:
Heat is the total kinetic energy and potential energy obtained by molecules in an object. Temperature is the average K.E of molecules in a substance. Heat flows from hot body to cold body. It rises when heated and falls down when an object is cooled down