Oceans and Life Class 9 PPT, Notes & MCQ - Social Science

Oceans and Life - Class 9 Social Science Chapter 1 Download the free PPT for Class 9 Social Science Chapter 1, "Oceans and Life," from Understanding Society: India and Beyond, Part 2, based on the new NCERT syllabus (Session 2026-27). What This Chapter Covers Oceans cover most of our planet and shape our climate, our resources and our daily lives. This chapter explains: - Ocean relief: continental shelf, slope, abyssal plain, mid-ocean ridge, trenches, seamounts and guyots - Waves, and how erosion forms sea caves, arches, sea stacks and stumps - Tides: high and low tide, spring tides and neap tides - Ocean currents: Coriolis force, warm and cold currents, Gulf Stream and Labrador Current - Cyclones and tsunamis, and how early warning systems protect coastal people - The GEMINI device for fishermen and the 2004 Indian Ocean tsunami - Marine resources: living and non-living resources, the Blue Economy and SDG 14 - Maritime zones: territorial waters, contiguous zone, Exclusive Economic Zone (EEZ) and the high seas - Maritime rules: innocent passage, COLREGs, MARPOL and UNCLOS Includes exam-focused MCQ quizzes with answers, important definitions, common mistakes, previous-year-style questions, NCERT exercise answers and a 5-minute revision for quick preparation. Why Download From Unique Study Point - 145-slide colourful visual presentation with clear 3D diagrams - Covers every topic, figure and activity of the NCERT chapter - Exam-focused points in simple English - Updated for the brand-new NCERT syllabus - Completely free, no login or signup required Prepared by Sumeet Sahu, Unique Study Point, Amitesh Nagar, Indore. Also available for Classes 6 to 10, covering Science, Social Science and Maths on the new NCERT syllabus. Download the PPT above, or visit www.uniquestudyonline.com for more free study material.