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Science Alien Project

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Transcript

  • 1. PLEASE HELP US ALIENS!!! SAVE PLANET EARTH!!!
  • 2. The Earth’s Interior Structure
  • 3. Crust Mantle Outer Core Inner Core
  • 4. Here is a better look of the Earth’s structure with its Lithosphere and Asthenosphere
  • 5. What is the Lithosphere and Asthenosphere
    • Lithosphere- the thin outer shell of the Earth consisting of the Crust and the upper Mantle
    • Asthenosphere- the zone of the Mantle beneath the Lithosphere that consists of slowly flowing solid rock.
  • 6. The Problem in the Interior!!!
  • 7. Crust Mantle Outer Core Inner Core As you can see the Earth’s core has shifted 200 miles towards India.
  • 8. Other Things Wrong With the Earth Earthquakes Volcanoes Tsunamis
  • 9. Plate Tectonics
  • 10. What is Plate Tectonics?
    • The theory that the Earth’s surface is made up of large moving plates.
  • 11. Pangea the “all land” 200000000 years ago
  • 12. The earth 100000000 years ago
  • 13. The earth 20 million years ago
  • 14. The earth today
  • 15. The earth 50 million years in the future
  • 16. Plate Boundaries
  • 17.  
  • 18. Plate Boundaries
  • 19. Two plates move apart from each other Plate Boundaries Two plates moving towards into each other and build up. Two plates slide against each other.
  • 20.  
  • 21.  
  • 22.  
  • 23.
    • Below is a graph of the rock ages for the map on top.
                                                                                                                    Below is a graph of the rock ages for the map on top.                                                                                      
  • 24.  
  • 25.  
  • 26. Mid ocean ridge
  • 27.  
  • 28.  
  • 29. Faults
  • 30. Faults
  • 31. What is a Fault? A crack in Earth created when rocks on either of a break move.
  • 32.  
  • 33.  
  • 34. Earthquakes
  • 35.  
  • 36.
    • Epicenter- the point on Earth’s surface directly above the focus of an earthquake
    • Focus- the area along a fault at which a slippage first occurs initiating an earthquake
  • 37. P waves- fastest waves, they are called push and pull waves, they travel through liquids and solids
  • 38. S waves- wave that a slower than primary waves , they are called side to side waves, and they move like a snake, they only travel through a solid
  • 39. Surface waves- slowest waves, called up and down waves, and they only travel on the surface
  • 40.  
  • 41.  
  • 42. Seismograph
  • 43.  
  • 44. Volcanos
  • 45. Spreading center
  • 46. There are three different types of Volcanoes
  • 47. Cinder Cone Volcano
  • 48. Compositive Volcano Competitive Volcanoes are built out of layers of cinders, ash and lava
  • 49. Shield volcano Volcanoes built out of lava are called sloping mountain or Shield Volcano
  • 50.  
  • 51.  
  • 52.  
  • 53.  
  • 54. Island arc
  • 55. Tsunami
  • 56.  
  • 57.  
  • 58.  
  • 59. Thank you for saving the earth !!!
  • 60. http://www.stopdisastersgame.org/en/playgame.html
  • 61.  
  • 62.