mrunal free ias coaching geography lecture1_ longitude, latitudes

8/17/2019 Mrunal Free IAS Coaching Geography Lecture1_ Longitude, Latitudes

1/3

2/17/2015 Mrunal Fr ee IAS C oaching Geogr aphy Lectur e1: Longitude, Lati tudes

http://mrunal.org/2015/02/youtube-geography-l1-longitude-latitude.html/print/ 1/3

- Mrunal - http://mrunal.org -

[Geography Lecture1] Longitude, Latitude, Timezones, EarthInterior, Rock types, Continental Drift

Posted By Mrunal On 07/02/2015 @ 12:39 am In Youtube | 90 Comments

1. Prologue2. G1/P1: longitudes, latitudes, Timezones and Dateline3. G1/P2: Earth’s Interior, S & P waves, Rock-Cycle, Geological Time-eras4. G1/P3: Continental Drift Theory5. G1/P4: Sea Floor Spreading Theory

Prologue

These geography lectures are conducted by Ms. Rajtanil at Sardar Patel instituteof Public Administration (SPIPA), Ahmedabad.

First session began on 2st February 2015, and uploaded on youtube. Total ~2:30hours but I’ve split it into four parts.PowerPoint of the lecture, available at Mrunal.org/DownloadMedium of instruction- Hindi.English version not possible for the moment, because faculties are required toteach at this batch, in Hindi/Gujarati only. Besides, same content is available inEnglish in the powerpoints.

http://-/?-https://files.secureserver.net/0fxNJqSZOKiE4Ihttp://-/?-http://-/?-http://-/?-http://-/?-


2/3



G1/P1: longitudes, latitudes, Timezones and Dateline

Language: Hindi, Topics Covered:

1. Longitudes and Latitudes: definitions and concepts.2. Why is there heat deficit and heat surplus regions on earth?3. Reason for season on earth, Day and night time variation, from season to season4. What are Solstice and equinox? UPSC-CSAT-2013 question on day-night time

variation5. Daylight saving in temperate regions

6. Longitude – prime meridian, International dateline (IDL)7. How moving to west to IDL one day is lost and how moving to east of IDL one dayis gained? Example of Russia and Alaska

8. Standard time: Indian standard time, Chaibaagan time zone issue9. Exercises – calculation regarding standard time of a place

10. Solved UPSC CSAT Prelim Question 1999, 2006, 200811. Map explanations for Malacca strait, Strait of Florida, Strait of Gibraltar

Youtube Link: http://youtu.be/SMPO60DOTKQ

G1/P2: Earth’s Interior, S & P waves, Rock-Cycle, Geological Time-eras

1. Origin of the earth, Nebular theory of Laplace2. Speculation about earth’s interior: Heaviest elements are placed at the core and

lighter elements are at the surface.3. Interior of the earth: Density study, Temperature study, Direct and indirect

http://youtu.be/SMPO60DOTKQhttp://www.youtube.com/user/TheMrunalPatel


3/3



evidences4. SIAL and SIMA concepts- Edward Suess5. Seismic wave studies: Propagation of S-Waves and P-Waves6. Layers of earth’s interior: Lithosphere, asthenosphere, mantle, outer core, inner

core.7. Composition of interior of the earth and the crust.8. Rocks of the continental crust9. Rock-cycle (Igneous rock, sedimentary, metamorphous)

10. Properties of Igneous rocks11. Properties of sedimentary rocks12. Properties of metamorphous rocks13. Prev. years question on rocks14. Geological history of the earth: Super continent –Rodinia, Breaking up of Rodinia15. Formation and breaking of Pangaea16. What are Panthalasa17. Laurasia, Gondwana and Tethys sea18. Breaking up of Gondwana19. Movement of Indian plate

Youtube Link: http://youtu.be/DzAH67tsmh8

G1/P3: Continental Drift Theory

1. Alfred Wegener and his theory.2. Evidences and Limitations of Continental drift theory3. UPSC 2013 Mains question on this topic4. Drawing maps for India and world in minutes.5. Arthur Holmes: convection current theory6. Driving force behind the continental drift

Youtube Link: http://youtu.be/IxpPoVc7y3U

G1/P4: Sea Floor Spreading Theory

1. Beginning of Sea-floor spreading theory2. Mapping of Sea-floor in 1950s3. 3 questions raised after sea-floor mapping4. Henry Hass and Dietz – theory5. Mid- oceanic ridge – Mechanism and distribution in the world oceans,6. Trenches – distribution in the world oceans, Mechanism of trenches, the Mariana

trench – deepest trench of the world7. UPSC Prelim 2006 q. on trench8. Concept of Palaeo-magnetism, geomagnetism, Vine and Mattheus

Youtube Link: http://youtu.be/BlBg5GVhZ5k

Article printed from Mrunal: http://mrunal.org

URL to article: http://mrunal.org/2015/02/youtube-geography-l1-longitude-latitude.html

Copyright © 2014 Mrunal. All rights reserved.
http://youtu.be/BlBg5GVhZ5khttp://youtu.be/IxpPoVc7y3Uhttp://youtu.be/DzAH67tsmh8

mrunal free ias coaching geography lecture1_ longitude, latitudes

Documents