Layers of Earth

Front

The tectonic plates float on the 

Back

asthenosphere

Front

This layer is completely liquid: crust, inner core, mantle, outer core

Back

outer core

Front

The core is made-up of what two elements?

Back

iron and nickel

Front

The strong lower part of the mantle is a physical layer called the

Back

mesosphere

Front

This layer is solid & rigid: Lithosphere, asthenosphere, mantle, outer core

Back

Lithosphere

Front

Which layer is made of the crust and upper mantle? Options: lithosphere, asthenosphere, mesosphere, outer core

Back

lithosphere

Front

The layer that the tectonic plates float on.

Back

asthenosphere

Front

Made mostly of silicon, oxygen and aluminum.

Back

crust

Front

Which layer is made of liquid metal (Fe and Ni)?

Back

outer core

Front

Which layer is the thinnest? Options: crust, mantle, outer core, inner core

Back

crust