Course Content
Theme- 1. The Earth as a planet
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The Earth as a planet
37:08
Theme- 2. Geographic Grid
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Geographic Grid
00:00
Theme- 3. The motions of the Earth
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The motions of the Earth
00:00
Theme- 4. The structure of the Earth
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The structure of the Earth
00:00
Theme- 5. The landforms of the Earth
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The landforms of the Earth
00:00
Theme- 6. Rocks
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Rocks
47:23
Theme- 7. Volcanoes
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Volcanoes
00:00
Theme- 8. Earthquakes
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Earthquakes
00:00
Theme- 9. Weathering and Denudation
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Weathering
00:00
Denudation
00:00
Theme- 10. Hydrosphere
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Hydrosphere
00:00
Theme- 11. Composition and structure of the atmosphere
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Composition and structure of the atmosphere
00:00
Theme- 12. Insolation
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Insolation
00:00
Theme- 13. Atmospheric pressure and wind systems
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Atmospheric pressure and wind systems
00:00
Theme- 14. Humidity and Precipitation
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Humidity and Precipitation
00:00
Theme- 15. Types of Pollution
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Types of Pollution
00:00
Theme- 16. Pollution- sources and major pollutants
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Pollution- sources and major pollutants
00:00
Theme- 17. Effects of Pollution
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Effects of Pollution
00:00
Theme- 18. The natural regions of the world
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The natural regions of the world
26:39
Theme- 19. Map work
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Map work
00:00
Geography – 9
About Lesson

Class 9 Geography – Theme 2: Geographic Grid – Course Summary:

In Theme 2, “Geographic Grid,” students will embark on a journey to understand the foundational framework that aids in locating and navigating the Earth’s surface. The geographic grid serves as a vital reference system, and this theme focuses on unraveling its intricacies.

 Latitude and Longitude:

   – Delve into the concept of latitude and longitude as key components of the geographic grid.

   – Explore the significance of parallels of latitude and meridians of longitude in determining precise locations on the Earth’s surface.

  1. Grid as a Reference System:

   – Understand the grid as a systematic and organized structure for mapping and navigation.

   – Learn how the geographic grid facilitates the accurate identification of locations, providing a universal language for geographers.

  1. Coordinates and Significance:

   – Grasp the importance of coordinates in specifying a unique point on the Earth’s surface.

   – Explore how coordinates aid in various fields, including navigation, cartography, and global positioning systems (GPS).

  1. Application in Map Reading:

   – Develop practical skills in reading maps using the geographic grid.

   – Understand how coordinates help in finding locations, measuring distances, and interpreting spatial relationships on maps.

  1. Real-World Examples:

   – Explore real-world examples of how the geographic grid is applied in various contexts, such as navigation, aviation, and emergency response.

  1. Interactive Learning:

   – Engage in interactive activities and exercises to reinforce understanding and application of the geographic grid.

   – Use online tools and resources to practice locating places, calculating distances, and interpreting coordinates.

  1. Integration with Other Themes:

   – Recognize the interconnectedness of the geographic grid with other geographical themes, such as understanding Earth as a planet, mapping natural regions, and exploring landforms.

By the end of Theme 2, students will have acquired a solid foundation in using the geographic grid, a skill essential for any geographer. This theme lays the groundwork for advanced spatial understanding and effective map interpretation in subsequent geographical studies.

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