1. Landforms, Water, and Natural Resources
Chapter 4

2. Landforms
Section 1

3. Forces Below Earth’s Surface
Earth’s Composition
Core
Mantle
Crust
Internal Forces
Plate Tectonics Theory
Continental Drift

4. Earth’s Layers

5. Plate Tectonics

6. Theory of Continental Drift

7. Forces Below Earth’s Surface
Plate Movement
Divergent (spreading)
Oceanic ridges
Rift valleys
Convergent (collide)
Subduction zone
Oceanic trench
Volcanoes
Mountains

8. Plate Movement

9. Seafloor Spreading

10. Seafloor Spreading

11. Plate Movement

12. Subduction Zone

13. Volcanoes

14. Forces Below Earth’s Surface
Lateral
Faults
San Andreas Fault (U.S. West Coast)

15. Plate Movement

16. Faults

17. Faults

18. Folds

19. Folds

20. Ring of Fire

21. Plate Movement

22. Forces on Earth’s Surface
Weathering
Chemical
Physical
Erosion
Water
Wind
Glaciation

23. Mechanical Weathering

24. Mechanical Weathering

25. Mechanical Weathering

26. Chemical Weathering

27. Chemical Weathering

28. Chemical Weathering

29. Water Erosion

30. Water Erosion

31. Beach Erosion from Waves

32. Wind Erosion

33. Glacial Erosion

34. Glacial Striation

35. Moraines

36. Glacial Valley

37. Landforms Tectonic Processes Erosion Sediment Deposition
Mountains, some valleys, folding, faulting
Erosion
Plateaus, plains
Sediment Deposition
Alluvial fans, river deltas

38. Landforms

39. Landforms

40. Landforms

41. The Hydrosphere
Section 2

42. Water on Earth Breakdown Salt water – 97% Freshwater – <3%
Available to Humans - <1%

43. Hydrologic Cycle

44. Water on Earth

45. Flooding

46. Natural Resources
Section 3

47. Soil

48. Forests

49. Air

50. Air

51. Air

52. Water

53. Water

54. Minerals

55. Minerals

56. Energy

57. Energy