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

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

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

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.

26. Mid ocean ridge

29. Faults

30. Faults

31. What is a Fault? A crack in Earth created when rocks on either of a break move.

34. Earthquakes

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

42. Seismograph

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

54. Island arc

55. Tsunami

59. Thank you for saving the earth !!!

60. http://www.stopdisastersgame.org/en/playgame.html