- Chapter 1 Chemical Reactions
- Chapter 2 Acids Bases And Salts
- Chapter 3 Metals And Non-metals
- Chapter 4 Carbon And Its Compounds
- Chapter 5 Periodic Classification Of Elements
- Chapter 6 Life Processes
- Chapter 7 Control And Coordination
- Chapter 8 How Do Organisms Reproduce?
- Chapter 9 Heredity And Evolution
- Chapter 10 Light Reflection And Refraction
- Chapter 11 Human Eye And Colourful World
- Chapter 12 Electricity
- Chapter 13 Magnetic Effects Of Electric Current
- Chapter 14 Sources Of Energy
- Chapter 15 Our Environment
- Chapter 16 Management Of Natural Resources
Class 10 Science Notes. Chapter 15 Our Environment. PDF Free Download. Question Answers.