Science Grade 8 

9.2 Effects of Heat 9.2.1 Thermal Expansion and Contraction of Solids 9.2.2 Thermal Expansion and Contraction of Liquids 9.2.3 Thermal Expansion and Contraction of Gases

9.3 Applications of Expansion and Contraction of Solids 9.3.2 Fixing a Metal Tyre Over the Wheel 9.3.1 Effects of Expansion and Contraction of Solids in Everyday Life