Class 5th - Social Studies ( TREK ) - CBSE 1. Our Earth: Continents and Oceans 2. The Imaginary Lines: Latitude and Longitude 3. Movements of the Earth: Their Effects 4. Temperature Zones of the World 5. The Equatorial Forest Region 6. The Hot Deserts 7. The Temperate Zone 8. The Frigid Zone 9. Our Environment 10. Pollution 11. How to Conserve Our Environment 12. Communication and Modern Techniques 13. Natural Disasters 14. Heritage 15. The Coming of the British 16. The Freedom Struggle: The Gandhian Phase (1919–47) 17. We Are Proud of Them 18. Religious and Social Reformers 19. The Indian Government 20. Our Rights and Duties 21. The United Nations 22. Universally Celebrated Days