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

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. Options: inner core, outer core, crust, mantle

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