Earth Science - Continental Drift and Plate Tectonics

This lecture explains the evidence for continental drift and its development into plate tectonics. It covers Earth's lithosphere and asthenosphere, plate movement, seafloor spreading, subduction, and the three main types of plate boundaries.

Syllabus

Intro
FROM CONTINENTAL DRIFT TO PLATE TECTONICS
EVIDENCE: THE CONTINENTAL JIGSAW PUZZLE
EVIDENCE: FOSSILS MATCHING ACROSS THE SEAS
EVIDENCE: ROCK TYPES AND GEOLOGIC FEATURES
EVIDENCE: ANCIENT CLIMATES
THE GREAT DEBATE
THE THEORY OF PLATE TECTONICS
EARTH'S LITHOSPHERE AND ASTHENOSPHERE
EARTH'S PLATES
PLATE MOVEMENT
DIVERGENT PLATE BOUNDARIES
OCEANIC RIDGES
SEAFLOOR SPREADING
EXAMPLE OF CONTINENTAL RIFTING
CONVERGENT PLATE BOUNDARIES
OCEANIC-CONTINENTAL CONVERGENCE
OCEANIC-OCEANIC CONVERGENCE
CONTINENTAL-CONTINENTAL CONVERGENCE
TRANSFORM PLATE BOUNDARIES