Contents

• 1. Crop Production
  2. Microorganisms – Our Friend and Foe
  3. Synthetic Fibres and Plastics
  4. Metals and Non-Metals
  5. Coal and Petroleum
     Formative Assessment–I
  6. Combustion and Flame
  7. Conservation of Plants and Animals
  8. Cell-Structure and Functions
  9. Reproduction in Animals
     Formative Assessment–II
     Summative Assessment–I
  10.Reaching the Age of Adolescence
  11.Force and Pressure
  12.Friction
  13.Sound
  14.Chemical Effects of Electric Current
     Formative Assessment–III
  15.Light
  16.The Universe
  17.Air and Water Pollution
  18.Natural Phenomena
     Formative Assessment–IV
     Summative Assessment–II