Landforms, Water, and Natural Resources Chapter 4
Landforms Section 1
Forces Below Earth’s Surface Earth’s Composition Core Mantle Crust Internal Forces Plate Tectonics Theory Continental Drift
Earth’s Layers
Plate Tectonics
Theory of Continental Drift
Forces Below Earth’s Surface Plate Movement Divergent (spreading) Oceanic ridges Rift valleys Convergent (collide) Subduction zone Oceanic trench Volcanoes Mountains
Plate Movement
Seafloor Spreading
Seafloor Spreading
Plate Movement
Subduction Zone
Volcanoes
Forces Below Earth’s Surface Lateral Faults San Andreas Fault (U.S. West Coast)
Plate Movement
Faults
Faults
Folds
Folds
Ring of Fire
Plate Movement
Forces on Earth’s Surface Weathering Chemical Physical Erosion Water Wind Glaciation
Mechanical Weathering
Mechanical Weathering
Mechanical Weathering
Chemical Weathering
Chemical Weathering
Chemical Weathering
Water Erosion
Water Erosion
Beach Erosion from Waves
Wind Erosion
Glacial Erosion
Glacial Striation
Moraines
Glacial Valley
Landforms Tectonic Processes Erosion Sediment Deposition Mountains, some valleys, folding, faulting Erosion Plateaus, plains Sediment Deposition Alluvial fans, river deltas
Landforms
Landforms
Landforms
The Hydrosphere Section 2
Water on Earth Breakdown Salt water – 97% Freshwater – <3% Available to Humans - <1%
Hydrologic Cycle
Water on Earth
Flooding
Natural Resources Section 3
Soil
Forests
Air
Air
Air
Water
Water
Minerals
Minerals
Energy
Energy