EARTH’S SURFACE
WHICH FORCES SHAPE THE SURFACE OF THE EARTH?
EXTERNAL FORCES
EARTH’S SURFACE
EXTERNAL FORCES
EARTH’S SURFACE
Sun
EXTERNAL FORCES
EARTH’S SURFACE
Sun
Hot/ColdGlaciers
WindPrecipitation
WavesRivers
EXTERNAL FORCES
INTERNAL FORCES
EARTH’S SURFACE
Sun
Hot/ColdGlaciers
WindPrecipitation
WavesRivers
DRIVEN BY ENERGY STORED
WITHIN THE EARTH FROM THE
TIME OF ITS CREATION
EXTERNAL FORCES
INTERNAL FORCES
EARTH’S SURFACE
Sun
Hot/ColdGlaciers
WindPrecipitation
WavesRivers
MountainBuilding
Volcanoes
EarthquakesSubduction
EXTERNAL FORCES >INTERNAL
EARTH’S SURFACE
FLAT LANDSCAPE WITH LITTLE VARIATION IN RELIEF: FEW HILS AND SHALLOW VALLEYS
EXTERNAL EXCEED INTERNAL!
Jos Plateau, Nigeria Saskatchewan, Canada Nullarbor Plain, Australia
Steppes, Asia North European Plain Florida!
INTERNAL FORCES >EXTERNAL
EARTH’S SURFACEHIGHLY VARIED LANDSCAPE WITH HIGH VARIATION IN RELIEF: MOUNTAINS, DEEP VALLEYS.
INTERNAL EXCEED EXTERNAL!
Jos Plateau, NigeriaMount Rainier, WA. Snowy River, Australia. Lake Tanganyika, Africa
Port au Prince, Haiti North Marianas, Pacific Mt. Vesuvius, Italy
WHY MOUNTAINS?
WHY OCEANS - SHALLOW?
WHY OCEANS –DEEP?
WHY MOUNTAINS AND DEEP OCEANS?
WESTERNSOUTH
AMERICA
INDONESIA JAPAN
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