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Relation B/w Celcius & Fahrenheit

To established the relationship b/w Centigrate & farenhiet Scale we take two thermometers and place both of them in a water bath. the mercury in each of the thermometer rises to the same level.
form figure the relation
CB/AB=C-0/100-0=f-32/212-32
=>c/100=f-32/180
=>180c=100(f-32)
=>9c=5f-32
=>c/5=f-32/9

Temprature

The degree of hotness or coldness of a body is called its Temprature.
OR
The average kinetic energy of a molecule of a substance is called tempratue.
There are different scales to measure temprature.eg:
Fahrenhiet, Celcius & Kelvin.

Chapter 1 "HEAT"

HEAT:
Heat is that form of energy which is transferred form one body to another due to the temprature difference.
OR
The total kinetic energy of the molcules of a substance is called heat.
Its S.I unit is "JOULE".

Physics

physics is that branch of science which deals with the study of matter, energy and their interaction.
Physics