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In this topic, we are going to learn the meaning of heat and temperature. The difference between heat and temperature, the instrument used to measure temperature which is called the thermometer and the various types of thermometer.
WHAT IS HEAT
Heat is a form of energy that is transferred from one body to another because of the difference in temperature.
WHAT IS TEMPERATURE?
Temperature is the measure of how hot or cold something is and it is also the amount of heat in something. It is measured with a thermometer. For example, we can say that boiling water is hotter than a bowl of ice cream but the actual difference in their temperature can only be accurately measured with the help of a thermometer.
DIFFERENCE BETWEEN HEAT AND TEMPERATURE
HEAT
TEMPERATURE
Heat is the form of energy
temperature is the measure of the hotness or coldness of a body
Heat flows from one body to another
temperature is a quantity that shows whether there is heat or not and what direction it will flow
In the transmission of heat, the total amount of heat remains the same
In temperature it does not remain the same.
TYPES OF THERMOMETERS
Clinical thermometers
Laboratory thermometers
Thermocouple thermometers
Mercury thermometers
Bimetallic thermometers
EVALUATION
Define heat
What is temperature?
SUMMARY
Heat is just a form of energy while temperature is the degree of hotness and coldness of an object.
We use a thermometer to measure the temperatures
We have various types of thermometers for different purposes of temperature measurements.
Some are clinical or medical thermometers used in hospitals, bimetallic thermometer, mercury thermometer etc.
ASSIGNMENT
Define: (a) heat and (b) temperature
List two differences between heat and temperature
List 5 types of thermometers
Explain briefly this statement:
“The more renewable power we use the better for our planet and for future generations”
