World Geography Units

World Geography Units

Unit 1: Geography and Geographers

  1. Geography
  2. Systematic and Regional Geography
  3. Ancient Geographers
  4. Medieval Geographers
  5. Modern Geographers
  6. Geographical Thought

Unit 2: Astronomy

  1. Observable Universe
  2. Universe Structure
  3. Universe Origin Theories
  4. Universe Evolution
  5. Cosmic Inflation
  6. Dark Matter
  7. Dark Energy
  8. Universal Expansion and Redshift
  9. Space-Time
  10. Galaxy Types
  11. Galaxy Evolution
  12. Active Galactic Nuclei
  13. Black Holes
  14. Milky Way Galaxy
  15. Milky Way Neighbours
  16. Stellar Properties
  17. Stellar Formation and Evolution
  18. Stellar Structure
  19. Stellar Evolution Factors
  20. Novae and Supernovae
  21. Neutron Stars
  22. X-Ray Stars
  23. Black Hole Types
  24. Binary Stars
  25. Interstellar Medium
  26. Nebulae
  27. Cosmic Rays
  28. Galaxy Groups and Clusters
  29. Solar System Formation
  30. Sun
  31. Planets
  32. Mercury
  33. Venus
  34. Mars
  35. Jupiter
  36. Saturn
  37. Uranus
  38. Neptune
  39. Asteroids
  40. Comets
  41. Meteors and Meteorites
  42. Kuiper Belt
  43. Plutinos
  44. Earth Formation and Evolution
  45. Black Hole Detection
  46. Black Hole Structure
  47. Black Hole Properties
  48. Wormholes
  49. Cosmic Strings
  50. Dwarf Galaxies
  51. Earth’s Galactic Movement
  52. Milky Way Night View
  53. Andromeda Galaxy
  54. Radio Galaxies
  55. Magellanic Clouds
  56. Nebula Types
  57. Quasars
  58. Asterisms
  59. Nearest Stars
  60. Sun’s Red Giant Phase
  61. Cosmic Microwave Background
  62. Universe Composition
  63. Solar System Structure
  64. Solar Structure
  65. Solar Mass and Composition
  66. Solar Rotation
  67. Planetary Rings
  68. Terrestrial Planets
  69. Gas Giants
  70. Martian Ice Caps
  71. ALH84001 Meteorite
  72. Life on Mars
  73. Jupiter’s Great Red Spot
  74. Jupiter’s Rings
  75. Jupiter’s Moons
  76. Jupiter and Earth
  77. Jupiter’s Protective Role
  78. Saturn’s Rings
  79. Saturn’s Moons
  80. Asteroid Belt
  81. Important Galaxies
  82. Comet Shoemaker-Levy 9
  83. Meteor Sources
  84. Meteorite Types
  85. Meteor Showers
  86. Cosmic Ray Sources

Unit 3: Geology

  1. Lithosphere
  2. Rocks
  3. Volcanoes
  4. Faulting
  5. Earthquakes
  6. Geology
  7. Longitudes
  8. Earth’s Radius and Circumference
  9. Earth’s Internal Structure
  10. Earth’s Crust
  11. Conrad Discontinuity
  12. Earth’s Mantle
  13. Mantle Convection
  14. Earth’s Core
  15. Core Discovery
  16. Earth Layer Densities
  17. Earth’s Magnetic Field
  18. Geomagnetic Protection
  19. Magnetic Field Reversals
  20. Geomagnetic Intensity Gradient
  21. Magnetic Dip
  22. Geomagnetic Equator
  23. Equatorial Electrojet
  24. Earth’s Magnetosphere
  25. Magnetopause and Magnetotail
  26. Van Allen Belts
  27. Magnetospheric Storms
  28. Plate Tectonics
  29. Continental Drift Theory
  30. Plate Movements
  31. Seafloor Spreading
  32. Subduction
  33. Faulting
  34. Faulting and Folding
  35. Lithospheric Plates
  36. Plate Boundaries
  37. Convergent Boundaries
  38. Divergent Boundaries
  39. Earthquake Types
  40. Earthquake Sequence
  41. Hypocentre and Epicentre
  42. Tectonic Earthquake Mechanism
  43. Earthquake Belts
  44. Magnitude and Intensity
  45. Richter Scale
  46. Moment Magnitude Scale
  47. Shindo Scale
  48. Medvedev-Sponheuer-Karnik Scale
  49. Seismic Waves
  50. Seismic Earth Structure
  51. Epicentre Determination
  52. Seismic Shadow Zone
  53. Earthquake Liquefaction

Unit 4: Geomorphology

  1. Rivers and Lakes
  2. Lakes
  3. Landforms
  4. Plains
  5. Second-Order Landforms
  6. Weathering Forces
  7. Fluvial Landforms
  8. Alluvial Fans and Cones
  9. Glacial Landforms
  10. Aeolian Landforms
  11. Coastal Landforms
  12. Land Relief
  13. Geological Provinces
  14. Continental Shields
  15. Orogeny
  16. Mountain Types
  17. Orogenic Stages
  18. Plateaus
  19. Plateau Formation
  20. Plateau Types
  21. Plateau Importance
  22. Landform Classification
  23. Aeolian Processes
  24. Fluvial Processes
  25. Erosional Landforms
  26. Coastal and Oceanic Landforms
  27. Coastal Landform Formation
  28. Volcanic Landforms
  29. Mountain and Glacial Landforms
  30. Slope Landforms
  31. Rocks and Minerals
  32. Igneous Rocks
  33. Sedimentary Rocks
  34. Metamorphic Rocks
  35. Limestone
  36. Limestone Types
  37. Limestone Distribution
  38. Other Sedimentary Rocks
  39. Exogenic Forces
  40. Endogenic Forces
  41. Weathering
  42. Weathering Types
  43. Physical Weathering
  44. Biological Weathering
  45. Chemical Weathering
  46. Mass Wasting
  47. Mass Wasting Types
  48. Induced Mass Wasting
  49. Erosion

Unit 5: Climatology and Meteorology

  1. Thermal Anomalies
  2. Earth-Sun Distance
  3. Temperature Inversion
  4. Atmospheric Pressure and Winds
  5. Seasonal Pressure Distribution
  6. Westerlies
  7. Local Winds
  8. Monsoon Winds
  9. Jet Streams
  10. Wind Direction and Velocity
  11. Cyclones
  12. Atmospheric Moisture
  13. Clouds
  14. Rainfall
  15. Dry Climates
  16. Climate
  17. Atmospheric Structure
  18. Blizzards
  19. Earth’s Atmosphere
  20. Atmospheric Composition
  21. Troposphere and Tropopause
  22. Stratosphere and Stratopause
  23. Mesosphere and Mesopause
  24. Thermosphere and Ionosphere
  25. Auroras
  26. Exosphere
  27. Atmosphere and Insolation
  28. Atmospheric Solar Radiation
  29. Radiation Heat Transfer
  30. Convection Heat Transfer
  31. Conduction Heat Transfer
  32. Advection Heat Transfer
  33. Latent Heat
  34. Earth’s Albedo
  35. Earth’s Energy Budget
  36. Temperature Distribution
  37. Global Temperature Zones
  38. Global Isotherms
  39. Daily Temperature Variation
  40. Annual Temperature Range
  41. Atmospheric Pressure
  42. Pressure Belts
  43. Pressure Belt Formation
  44. Intertropical Convergence Zone
  45. Subtropical Highs
  46. Global Pressure Belts
  47. Global Winds
  48. Trade Winds
  49. Westerlies
  50. Polar Easterlies
  51. Local Winds
  52. Mountain Winds
  53. Major Local Winds
  54. Traditional Monsoon Theory
  55. Modern Monsoon Theory
  56. Rainfall
  57. Atmospheric Cooling
  58. Convectional Rainfall
  59. Frontal Rainfall
  60. Orographic Rainfall
  61. Rainfall Distribution
  62. Air Masses
  63. Air Mass Weather
  64. Weather Fronts
  65. Frontogenesis and Frontolysis
  66. Front Types
  67. Cyclone Formation
  68. Tropical and Temperate Cyclones
  69. Tropical Cyclones
  70. Tropical Cyclone Types
  71. Cyclone Landfall Effects
  72. Project Stormfury
  73. Cyclone Naming
  74. Anticyclones
  75. Temperate Cyclones
  76. Tornadoes
  77. Tornado Formation
  78. Tornado Detection
  79. Fujita Scale
  80. TORRO Scale
  81. Tornado Infrasound
  82. Tornado Electromagnetic Signatures

Unit 6: Hydrology

  1. Hydrology and Hydrosphere
  2. Hydrological Cycle
  3. Water Budget
  4. Earth’s Water Distribution
  5. Global Water Resources
  6. Water Residence Time
  7. Blue, Green and Grey Water
  8. Precipitation Forms and Measurement
  9. Global Rainfall Distribution
  10. Infiltration and Soil Water
  11. Soil Moisture Movement
  12. Runoff
  13. Drainage Basins
  14. Groundwater Distribution
  15. Aquifer Types
  16. Aquiclude, Aquitard and Aquifuge
  17. Water Table
  18. Groundwater Flow
  19. Groundwater Recharge and Discharge
  20. Springs
  21. Lake Formation and Types
  22. Lake Water Balance
  23. Lake Eutrophication

Unit 7: Oceanography

  1. Pacific Ocean
  2. Atlantic Ocean
  3. Indian Ocean
  4. Ocean Waves
  5. Pacific Ocean Currents
  6. Atlantic Ocean Currents
  7. Indian Ocean Currents
  8. Ocean Current Effects
  9. ENSO
  10. Tides
  11. Tidal Stages
  12. Spring and Neap Tides
  13. Apogean and Perigean Tides
  14. Daily Tidal Frequency
  15. Tidal Duration and Frequency
  16. Moonless Earth Tides
  17. Non-Tidal Sea Movements
  18. Tidal Terminology
  19. Tidal Ports
  20. Tides and Geomagnetism
  21. Equatorial Tidal Patterns
  22. Tides in Navigation
  23. Tides in Fishing
  24. Oceanography
  25. Ocean Relief
  26. Major Oceanic Points
  27. Ocean Relief Types
  28. Lagoons
  29. Coral Reefs
  30. Beaches
  31. Marine Sediments
  32. Marine Sediment Types
  33. Neritic and Pelagic Deposits
  34. Ocean Sediment Resources
  35. Ocean Temperature
  36. Ocean Temperature Trends
  37. Ocean Temperature Measurement
  38. Tropical Ocean Layers
  39. Daily Ocean Temperature Range
  40. Annual Ocean Temperature Range
  41. Ocean Temperature Distribution
  42. Latitudinal Ocean Temperature
  43. Horizontal and Vertical Temperature
  44. Ocean Salinity
  45. Salinity Controls
  46. Horizontal Salinity Distribution
  47. Vertical Salinity Distribution
  48. Ocean Currents
  49. Ocean Current Origins
  50. Drifts, Currents and Streams
  51. Warm and Cold Currents
  52. Surface and Deep Currents
  53. Atlantic Ocean Currents
  54. Currents and Global Winds
  55. Indian Ocean Currents
  56. Coriolis Effect on Currents
  57. Temperature and Currents
  58. Salinity and Currents
  59. Pressure, Winds and Currents

Unit 8: Glaciology

  1. Glacial Landforms

Unit 9: Pedology

  1. Soil
  2. Soil Classification
  3. Soil Types
  4. Soil Degradation
  5. Soil Conservation
  6. Soil Nature
  7. Soil Composition
  8. Humus
  9. Soil Texture
  10. Sandy Soil
  11. Clay Soil
  12. Loamy Soil
  13. Silt Soil
  14. Soil pH
  15. Soil pH Management
  16. Alkaline Soil Treatment
  17. Soil Air
  18. Soil Fertility
  19. Soil Horizons
  20. Soil Taxonomy
  21. Soil Taxonomy Types

Unit 10: Population Geography

  1. Population Distribution
  2. World Population Growth
  3. Population Structure
  4. Developing Country Population Problems
  5. Developed Country Population Problems
  6. Migration
  7. Migration Consequences
  8. Literacy
  9. Religious Composition
  10. Sex Ratio
  11. Urbanisation and Suburbanisation

Unit 11: Settlement Geography

  1. Settlement Geography
  2. Settlement Types
  3. Settlement Location Factors
  4. Rural Settlement Patterns
  5. Rural Settlement Factors
  6. Rural House Types
  7. Urban Settlement Patterns
  8. Town Classification
  9. Urban Models
  10. Urban Land Use
  11. Urban Fringe and Suburbs
  12. Satellite Towns
  13. Urbanisation and Suburbanisation
  14. Counter-Urbanisation
  15. Urban Sprawl

Unit 12: Economic Geography

  1. Economic Geography
  2. Natural Resources
  3. Pastoralism
  4. Agriculture
  5. Agricultural Types
  6. World Railway Networks
  7. Commercial Crops
  8. Major Crops
  9. Plantation Crops
  10. Fruits, Vegetables and Spices
  11. Mineral Resources
  12. World Minerals
  13. Conventional Energy Sources
  14. Renewable Energy Sources
  15. Manufacturing Industries
  16. Engineering Industries
  17. Factory Farming
  18. Livestock
  19. Dairy, Poultry and Fisheries
  20. Iron and Steel Industry
  21. Metal Smelting
  22. Industrial Machinery
  23. Railway Equipment
  24. Major Industries
  25. Pharmaceutical and Forest Industries
  26. Transport and Communications
  27. Railway Location Factors
  28. National Highways
  29. Railway Distribution

Unit 13: Geography of Asia

  1. Asian Countries
  2. Asian Plate Tectonics
  3. Asian Deserts
  4. Asian Climate Regions
  5. Asian Monsoon System
  6. Asian Natural Vegetation
  7. Asian Soils
  8. Asian Glaciers
  9. Asian Water Resources
  10. Asian Population Clusters
  11. Asian Cities
  12. Asian Agricultural Regions
  13. Asian Mineral Resources
  14. Asian Energy Resources
  15. Asian Industrial Regions

Unit 14: Geography of Africa

  1. African Countries
  2. African Rift System
  3. African Deserts
  4. African Climate Regions
  5. African Natural Vegetation
  6. African Soils
  7. African Water Resources
  8. African Population Clusters
  9. African Cities
  10. African Agricultural Regions
  11. African Mineral Resources
  12. African Energy Resources
  13. African Industrial Regions

Unit 15: Geography of Europe

  1. European Countries
  2. European Plate Tectonics
  3. European Climate Regions
  4. European Natural Vegetation
  5. European Soils
  6. European Glaciers
  7. European Water Resources
  8. European Population Clusters
  9. European Cities
  10. European Agricultural Regions
  11. European Mineral Resources
  12. European Energy Resources
  13. European Industrial Regions

Unit 16: Geography of North America

  1. North American Countries
  2. North American Plate Tectonics
  3. North American Deserts
  4. North American Climate Regions
  5. North American Vegetation
  6. North American Soils
  7. North American Glaciers
  8. North American Water Resources
  9. North American Population Clusters
  10. North American Cities
  11. North American Agricultural Regions
  12. North American Mineral Resources
  13. North American Energy Resources
  14. North American Industrial Regions

Unit 17: Geography of South America

  1. South American Countries
  2. South American Plate Tectonics
  3. South American Deserts
  4. South American Climate Regions
  5. South American Vegetation
  6. South American Soils
  7. South American Glaciers
  8. South American Water Resources
  9. South American Population Clusters
  10. South American Cities
  11. South American Agricultural Regions
  12. South American Mineral Resources
  13. South American Energy Resources
  14. South American Industrial Regions

Unit 18: Australia and Oceania

  1. Australia and Oceania Countries
  2. Australia-Oceania Plate Tectonics
  3. Australian Deserts
  4. Australia-Oceania Climate Regions
  5. Australia-Oceania Vegetation
  6. Australia-Oceania Soils
  7. Oceanian Glaciers
  8. Australia-Oceania Water Resources
  9. Australia-Oceania Population Clusters
  10. Australia-Oceania Cities
  11. Australian Agricultural Regions
  12. Australian Mineral Resources
  13. Australian Energy Resources
  14. Australian Industrial Regions

Unit 19: Geography of Antarctica

  1. Antarctic Physiographic Divisions
  2. Antarctic Climate
  3. Antarctic Ice Sheets
  4. Antarctic Natural Environment
  5. Antarctic Water Bodies
  6. Antarctic Resources
  7. Antarctic Research Stations

Unit 20: Geography of Arctic

  1. Arctic Countries and Regions
  2. Arctic Climate
  3. Arctic Ice Sheets
  4. Arctic Tundra
  5. Arctic Permafrost
  6. Arctic Water Bodies
  7. Arctic Population and Settlements
  8. Arctic Resources
  9. Arctic Energy Resources
Originally written on December 25, 2016 and last modified on July 21, 2026.

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