the soft layer of the mantle on which pieces of the lithosphere float

the boundary between two colliding tectonic plates

the boundary between two tectonic plates that are moving away from each other

the solid dense center of our planet that extends from the bottom of the outer core to the center of the Earth

the outermost rigid layer of Earth that consists of the crust and the rigid upper mantle

the layer of Earth between the crust and the core

a long mountain chain that forms on the ocean floor where tectonic plates pull apart

the liquid layer of Earth's core that lies beneath the mantle

Plate tectonic theory

the outermost layer of the Earth (lithosphere) is divided into contiguous sections (plates) that move relative to each other causing continental drift, seafloor spreading, and the formation of major physical features of the Earth’s surface

the region where two plates collide and one plate sinks below the other; Usually an oceanic plate sinks below a continental plate and down into the asthenosphere at a convergent boundary

the boundary between two tectonic plates that are sliding past each other horizontally

the process by which new oceanic lithosphere is created at mid-ocean ridges as older material is pulled away from the ridges

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Plate Tectonics & CF

Term	Definition
Asthenosphere	the soft layer of the mantle on which pieces of the lithosphere float
convergent boundary	the boundary between two colliding tectonic plates
divergent boundary	the boundary between two tectonic plates that are moving away from each other
inner core	the solid dense center of our planet that extends from the bottom of the outer core to the center of the Earth
lithosphere	the outermost rigid layer of Earth that consists of the crust and the rigid upper mantle
mantle	the layer of Earth between the crust and the core
ocean ridge	a long mountain chain that forms on the ocean floor where tectonic plates pull apart
mid-ocean ridge	a long mountain chain that forms on the ocean floor where tectonic plates pull apart
outer core	the liquid layer of Earth's core that lies beneath the mantle
Plate tectonic theory	the outermost layer of the Earth (lithosphere) is divided into contiguous sections (plates) that move relative to each other causing continental drift, seafloor spreading, and the formation of major physical features of the Earth’s surface
subduction zone	the region where two plates collide and one plate sinks below the other; Usually an oceanic plate sinks below a continental plate and down into the asthenosphere at a convergent boundary
transform boundary	the boundary between two tectonic plates that are sliding past each other horizontally
sea-floor spreading	the process by which new oceanic lithosphere is created at mid-ocean ridges as older material is pulled away from the ridges

Created by: YoungbloodScience

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