Plate Tectonics and Earth's Layers

What is the thinnest layer?

• Crust

• Mantle

• Outer Core

• Inner Core

What is the thickest layer?

• Crust

• Mantle

• Outer Core

• Inner Core

What is the coolest layer?

• Crust

• Mantle

• Outer Core

• Inner Core

What is the hottest layer?

• Crust

• Mantle

• Outer Core

• Inner Core

What is the densest layer?

• Crust

• Mantle

• Outer Core

• Inner Core

Which layer has convection currents?

• Crust

• Mantle

• Outer Core

• Inner Core

Which layer is made of solid Iron and nickel?

• Crust

• Mantle

• Outer Core

• Inner Core

What causes convection currents in the earth?

• heat from the sun

• heat from mantle

• heat from the core

• Earth's magnetic field

Which of the following best describe the process of convection currents?

• Heat causes a material to rise and cooler material drops creating a circular pattern

• the cycle of cooling rock or metal rising, and heated rock or metal falling.

• an electric current found in the mantle.

• and electric current found in the outer core.

What is the correct order (starting from the inside) of Earth's layers?

• crust, outer core, inner core, mantle

• mantle, outer core, inner core, crust

• crust, mantle, outer core, inner core

• inner core, outer core, mantle, crust