Vital in understanding the difference between Heat and Temperature.

2. 




Hot & Cold
Volume, Mass & Density
Heat & Temperature
Adding Heat, & its impact on the Molecular
Motion in an object
Changes in the object
› Expansion & Contraction
› Evaporation & Condensation
Flow of Heat Energy
End of Slide


3. They tell about the temperature.
 They are relative terms.
End of Slide


4. 
Volume
› is the space occupied by an object.

Mass
› is the amount of matter present in an object.

Density
› Mass / Volume

5. 
Heat
It is the total energy
of molecular motion
in the substance.
End of Slide

Temperature
It is the measure of
average energy of
the molecular
motion in the
substance.

6. Causes increase in the molecular motion
in an object.
 Speed overcomes the existing molecular
forces of attraction & repulsion.

› Molecules start moving randomly.
› Causes change in inter-molecular space.
 Results in expansion, &
 change in state.
End of Slide