Unit 5 Review

The outer most layer of Earth

• Crust

• Mantle

• Inner Core

• Outer Cour

Plastic Layer below the crust - makes up most of earth's mass

• Crust

• Mantle

• Outer Core

• Inner Core

Liquid or semi-liquid part of the core

• Crust

• Mantle

• Outer Core

• Inner Core

Solid iron center of Earth

• Crust

• Mantle

• Outer Core

• Inner Core

Massive slabs of Earth that sit on top of mantle

• Plate

• Lithosphere

• Asthenosphere

• Plate Tectonics

Top physical layer of Earth including the crust and top part of mantel

• crust

• mantle

• lithosphere

• asthensophere

Area below the lithosphere that is mostly mantle

• inner core

• outer core

• mantle

• asthenosphere

Movement of heat within the mantle that causes plate tectonics

• mantle

• lithosphere

• mantle convection

• seafloor spreading

Theory of how plates are pushed and pulled to explain how they moved apart

• plate tectonics

• continental drift

• seafloor spreading

• slab-pull

When oceanic plates are getting bigger by moving away from each other

• plate tectonics

• seafloor spreading

• continental drivt

• subduction zone