| Temperature | Heat |
| 1. The degree of hotness of a body is called temperature | 1. The flow heat energy from one.body to another, due to a temperature difference between the two, is called heat. |
| 2. Average kinetic- energy possessed by each molecule of a body is called temperature. | 2. Total kinetic energy possessed by all molecules called heat. |
| 3. Two bodies in thermal equilibrium with each other must have the same temperature. | 3. Two bodies in thermal equilibrium with each other may not have the same amount of heat. |
| 4. Temperature is measured in the units like, kelvin, degree celsius, degree Fahrenheit etc. | 4. Heat is measured in calorie as well as in jolues. |