Earth Layers*

Front

What are the two main elements that make up the Earth's core?

Back

Nickel and Iron

Front

What is the name of the layer that is the Earth's mantle?

Back

Layer 3

Front

Which layer of the Earth is referred to as the Asthenosphere?

Back

Layer #17

Front

Which layer of the Earth has the greatest density?

Back

Inner core

Front

What is the inner core of the Earth?

Back

The innermost layer of the Earth, composed mainly of iron and nickel.

Front

What is the outer core?

Back

The layer surrounding the inner core, composed of liquid iron and nickel.

Front

What is the mantle?

Back

The layer between the crust and the core, made of semi-solid rock.

Front

What is the lithosphere?

Back

The rigid outer layer of the Earth, including the crust and upper mantle.

Front

What is the difference between the inner core and outer core?

Back

The inner core is solid, while the outer core is liquid.

Front

What is the asthenosphere?

Back

A semi-fluid layer of the mantle that allows tectonic plates to move.