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Punjab Board 8th General Science Old Book Ch. 9
Sources and Effects of Heat Energy
Application of Expansion and Contraction of Solids
Uses of Expansion and Contraction of Liquid
Exercise
Punjab Board 8th General Science Old Book
- 08th Class General Science Full Book Introduction
- 1Human Organ System
- 2Cell Division
- 3Biotechnology
- 4Pollutants and Their Effects on Environment
- 5Chemical Reaction
- 6Acids, Alkalis/Base and Salts
- 7Force and Pressure
- 8Measurement of Physical Quantities
- 9Sources and Effects of Heat Energy
- 10Lenses
- 11Electricity
- 12Exploring Space
- 138th General Science Paper Pattern