Plate Tectonics

Earth ’s Interior, Continental Drift & Plate Tectonics

Spheres of the Earth ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Earth ’s Interior (outside to inside) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Continental Drift ,[object Object],[object Object]

Evidence ,[object Object],[object Object],[object Object]

Plate Tectonics ,[object Object],[object Object]

Plates ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Oceanic Continental

Convection Currents ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Cool

Crust Density ,[object Object],[object Object],[object Object]

Plate Boundaries ,[object Object],[object Object],[object Object],[object Object],[object Object]

Divergent Boundaries ,[object Object]

Seafloor Spreading (oceanic-oceanic) ,[object Object],[object Object],[object Object]

Magnetic Reversals (Paleomagnetism) ,[object Object],[object Object],[object Object],Young Older Older

Mid-Ocean Ridges (oceanic-oceanic) ,[object Object],[object Object]

A Rift Valley (continental-continental) ,[object Object],[object Object],[object Object]

Convergent Boundaries ,[object Object]

Subduction Zones ,[object Object],[object Object],dense

Volcanic Arc ( Subduction: Oceanic-Continental) ,[object Object],[object Object],[object Object]

Deep-Sea Trench (oceanic-continental) ,[object Object]

Volcanic Island Chains ( Subduction: Oceanic-Oceanic) ,[object Object],[object Object],[object Object]

Mountains ( Subduction: Continental-Continental) ,[object Object],[object Object]

Transform Fault Boundaries ,[object Object],[object Object],[object Object]

Faults ,[object Object],[object Object],[object Object],[object Object],[object Object]

Types of Faults ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Volcanoes ,[object Object],[object Object],[object Object],[object Object],[object Object],LAVA MAGMA

Types of Volcanoes ,[object Object],[object Object],[object Object]

Hot Spots ,[object Object],[object Object],[object Object]

Earthquakes ,[object Object],[object Object],[object Object],[object Object],FAULT

Earthquake Waves ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Tsunamis ,[object Object],[object Object],[object Object],[object Object],WAVE

Plate Boundaries DIVERGENT BOUNDARY – move apart Sea-Floor Spreading oceanic-oceanic (o-o) New Ocean Crust Mid-Ocean Ridge oceanic-oceanic (o-o) Underwater Mountain Rift Valley continental-continental (c-c) Volcanoes/New Land CONVERGENT BOUNDARY- come together Mountains continental-continental Mountains created SUBDUCTION ZONES Deep-Sea Trench oceanic-continental Depression (hole in ground) Volcanic Arc oceanic-continental A line of volcanoes on land Island Arc oceanic-oceanic A line of islands in the ocean TRANSFORM BOUNDARY – slide past each other Faults All types Earthquakes/Tsunamis

Plate Tectonics

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Plate Tectonics