'Floor spreading' presentation slideshows

Continental Drift and Plate Tectonics

422 views • 27 slides

Sea-Floor Spreading

Sea-Floor Spreading. Introduction. Tube Worms - live in the Pacific Ocean about one mile deep near the hydrothermal vents. 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 of water. Sonar.

418 views • 14 slides

Sea-Floor Spreading

Sea-Floor Spreading. Introduction. Tube Worms - live in the Pacific Ocean about one mile deep near the hydrothermal vents. 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 of water. Sonar.

302 views • 14 slides

Plate Tectonics

Plate Tectonics. By: Sierra Boyle. Intended for sixth through eighth grade. Historical Background. Continental Drift Theory:. Super-Continent Pangea Theory proposed by Alfred Wegner in 1912 Evidence: fitting of continents distribution of fossils similar rock sequences ancient climates

187 views • 10 slides