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Geographic features of the earth!

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Geographic features of the earth!

  1. 1. Geographic Features of the Earth! Social Studies 3C
  2. 2. Continental Relief • Relief refers to all the different forms on Earth´s surface. The different types of continental (surface) relief are plains, plateaus, mountains, and depressions.
  3. 3. Peninsula • Area of land surrounded by water on all sides but one (the isthmus) which joins it to the mainland.
  4. 4. The Florida Peninsula • Situated between the Gulf of Mexico, the Atlantic Ocean, and the Straits of Florida
  5. 5. Mountain • Elevation of the terrain with steep slopes and an altitude of greater than 600 m.
  6. 6. The Himalaya Mountains • Crosses several countries in Asia: – India, Nepal, Tibet, Bhutan, Pakistan • World’s highest mountain system
  7. 7. Plain • Flat or gently rolling extension of land at an altitude of less than 200 m.
  8. 8. The Great Plains • Located in the United States and covers 10 American States and part of Canada
  9. 9. Plateau • A raised plain at an altitude of over 200 m.
  10. 10. The Tibetan Plateau • Located in Asia • The largest and highest plateau in the world • Nicknamed the “roof of the world”
  11. 11. Depression • Sunken area of the Earth´s crust
  12. 12. Coastal Relief • Capes, gulfs, peninsulas, estuaries, fjords, and deltas.
  13. 13. Cape • Part of the coast which juts out into the sea.
  14. 14. Cape of Good Hope • Located in Cape Peninsula, South Africa • 1488: Bartolomeu Dias rounds the Cape
  15. 15. Gulf • Entry of the sea into the coast.
  16. 16. Gulf of Mexico • Connected to the Atlantic Ocean • 10th largest body of water in the world
  17. 17. Delta • Coastal area formed by the accumulation of sediments of a river at its mouth.
  18. 18. Mississippi River Delta • Mississippi River is the 4th longest and 10th largest river in the world • Delta enters the Gulf of Mexico
  19. 19. Island • Mass of land surrounded by water.
  20. 20. The Canaries! • Located in front of the northwest coast of Africa
  21. 21. Estuary • Flooded valley formed by the entry of the sea into the final section of a river valley.
  22. 22. Gulf of St. Lawrence Estuary • World’s largest estuary • Rivers that flow into it: – St. Lawrence, Miramichi, Natashquan, Restigouche, Margaree, Humber • Flows into the Atlantic Ocean
  23. 23. Submarine Relief • AKA underwater relief. Continental platforms, continental shelves, and abyssal plains, across which mid-ocean ridges and marine trenches can be found.
  24. 24. Mid-Ocean Ridge • Underwater mountain range
  25. 25. Abyssal Plain • Extensive, flat sea bottom at a depth of 4,000 to 5,000 m.
  26. 26. Marine Trench • Long, narrow underwater depression.
  27. 27. Continental Trench • Long, narrow surface depression above water.
  28. 28. Continental Platform • AKA continental slope. Gentle slope at the edge of the continent with a depth of 200 m.