Plate Tectonics
Plate Tectonics: A theory of the Earth's Crust divided into plates that move over time on top of the Mantle.
Continental Drift: The movement of the continents.
Pangaea: The continent of all the landmass on Earth together during the Triassic Area.
Asthenosphere: The upper layer of the mantle below the crust, often weak.
Lithosphere: The upper outer of the Earth which consists of the Crust and Upper Mantle.
Mid-Oceanic Ridge: A ridge in the middle of the ocean that shows Magma associated with SeaFloor spreading.
Rift Valleys: A gap in the Earth with fault systems.
Subduction: The movement of the Earth's Crust going sideways and downwards.