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Q.1what is heat?
A.heat, energy that is transferred from one body to another as the result of a difference in temperature. If two bodies at different temperatures are brought together, energy is transferred—i.e., heat flows—from the hotter body to the colder.
Heat Class 7 Notes Science Chapter 4
Hot and Cold. ...
Temperature and Thermometer. ...
Clinical Thermometer. ...
Features of a Clinical Thermometer. ...
Note: After noting the body temperature, the level of mercury can be brought down by giving jerk to the thermometer tube. ...
Reading a Clinical Thermometer.




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