Ocean Basins

Resources and Links

OceanFloorCutandPastePreview.pdf

Deep Ocean Volcanoes | PBS LearningMediaLearn about underwater volcanoes and the discovery of the erupting deep-ocean volcano West Mata. The video provides students with the opportunity to visualize a phenomenon that is too dangerous and too remote to experience.

Plate Tectonics: Evidence at Mid-Ocean Ridges | PBS LearningMediaThis video segment adapted from A Science Odyssey uses animation and archival footage to provide an overview of the theory of plate tectonics. Early evidence showing striking similarities between regions on opposite sides of vast oceans suggested that in Earth's distant past what are now separate continents may once have been connected. However, this evidence said nothing about how the continents could have moved to their present positions. This video is available in both English and Spanish audio, along with corresponding closed captions.

Global Earthquake Activity and Seafloor Features | PBS LearningMediaObserve the location of global earthquake activity from 1980–1995 in this NASA animation as well as the location of seafloor features, such as ridges and troughs, in this NASA world map. Comparing the locations of earthquakes and seafloor features reveals patterns that appear to coincide. These patterns provide information for further study in middle school on how the ridges and trenches formed and why earthquakes occur. To view the Background Essay, Student Handouts, and Teaching Tips for this media gallery, go to Support Materials below. This resource was developed through WGBH’s Bringing the Universe to America’s Classrooms project, in collaboration with NASA. Click here for the full collection of resources.

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