4.8: Tectonic Plate Motions Difficulty Level: Basic Created by: CK-12 % Progress MEMORY METER This indicates how strong in your memory this concept is Practice Progress % % Practice Now MEMORY METER This indicates how strong in your memory this concept is Share Add to Library Turn In Read Practice Resources Details Loading... Notes/Highlights Having trouble? Report an issue. Color Highlighted Text Notes Show More Vocabulary Language: English ▼ English TermDefinition convection cell Hot material rises and cool material sinks in a circular pattern. seafloor spreading Mechanism for moving continents. The formation of new seafloor at spreading ridges pushes lithospheric plates on the Earth's surface. Image Attributions Show Hide Details Description Earth's tectonic plates and how they move. Learning Objectives None Related Materials Tectonic Plate Motions Difficulty Level: Basic Authors: Dana Desonie, Ph.D. Tags: convection cell Epicenter mantle convection (5 more) Plate plate boundaries Plate Tectonics SCI.ESC.341.1.L.1 Seafloor Spreading Subjects: science Earth Science Concept Nodes: SCI.ESC.341.1 (Tectonic Plate Motions) Grades: 6 , 7 Date Created: Jan 04, 2013 Last Modified: Aug 31, 2016 Vocabulary None Save or share your relevant files like activites, homework and worksheet.To add resources, you must be the owner of the Modality. Click Customize to make your own copy.