1. Continental Drift and Plate Tectonics 2. Wegener 1880-1930 earthobservatory.nasa.gov Alfred Wegener first proposed the theory of continental drift. 3. Continental driftwas…

1. Continental Drift and Plate Tectonics 2. Wegener 1880-1930 earthobservatory.nasa.gov Alfred Wegener first proposed the theory of continental drift. 3. Continental driftwas…

1. Continental Drift and Plate Tectonics 2. Wegener 1880-1930 earthobservatory.nasa.gov Alfred Wegener first proposed the theory of continental drift. 3. Continental driftwas…

Slide 1Sea-Floor Spreading Slide 2 Mapping the mid-ocean ridge The East Pacific Rise has a mid-ocean ridge. Curves around like a baseball. Lies hidden under hundreds of meters…

Slide 1 Slide 2 The hypsigraphic curve Slide 3 The submersible Alvin Slide 4 Echo sounding Seismic Profiling Slide 5 As they cool down through the Curie point, Slide 6 The…

1.12. Hess was in World War II He was initially assigned to duty in New York City, where he was responsible for estimating the positions of enemy submarines in the North…

1. Sea-Floor Spreading 2. Introduction Tube Worms - live in the Pacific Ocean about one mile deep near the hydrothermal vents. 3. Mapping the mid-ocean ridge The East Pacific…

1. What is a plate boundary? Copy today’s date and EQ on page 87 if you did not yesterday. …

Slide 1Chapter 9: Plate Tectonics Review Feb 11, 2013 Slide 2 What to study? Layers of the Earth Convection Currents Continental Drift Sea-floor Spreading Theory of Plate…

Slide 1 Slide 2 Sea Floor Spreading The Mid-ocean Ridge Slide 3 Vocabulary Mid-ocean ridgeMid-ocean ridge SonarSonar Sea-floor spreadingSea-floor spreading Deep-ocean trenchDeep-ocean…