Science 2025

Ch 1 – Crop production and Management

Ch 3 – Synthetic Fibres and Plastics

Ch 5 – Combustion and Fossil fuel

Ch 8 – Age of Adolescence

Ch 9 – Reproduction

Ch 10 – Force and Friction

Ch 12 – Sound

Ch 13 – Chemical Effects of current

Ch 18 – Pollution of Air and Water