The Earth's Layers

List the three major layers of Earth

• crust, mantle, core

• lithosphere, asthenosphere, mesosphere

• inner core, outer core, middle core

Which physical layer is the thinnest?

• crust

• core

• mantle

List the 6 physical layers in order from outermost to innermost.

• crust, mantle, inner core, outer core, middle mantle, lithosphere

• crust, lithosphere, asthenosphere middle mantle, inner core, outer core

• crust, lithosphere, asthenosphere, middle mantle, outer core, inner core

Which layer of the core is solid?

• inner core

• outer core

Which layer is solid rock?

• asthenosphere

• middle mantle

• lithosphere

Sedimentary rocks form from

• extreme heat and pressure deep inside the Earth

• the cooling of melted rock or lava

• pieces of sediment from other rocks, plants and animals

Which layer of the earth is liquid

• crust

• inner core

• outer core

Metamorphic rock forms from

• extreme heat and pressure deep inside the Earth

• The cooling of melted rock or lava

• pieces of sediment stuck together

What are the currents called found within the middle mantle?

• wind currents

• electrical currents

• convection currents

Igneous rock forms from

• Pieces of other rock, plants, and animals

• The cooling of molten magma or lava

• high heat and pressure found deep within the Earth