Layers of the Earth

Front

What are the layers of the Earth in order?

Back

Crust, Mantle, Outer core, Inner core

Front

What is the first layer of the Earth?

Back

Crust

Front

What layer of the Earth is divided into pieces called tectonic plates?

Back

Lithosphere

Front

How do scientists estimate the thickness of each layer of the Earth?

Back

By studying seismic waves.

Front

What is the outermost layer of the Earth called?

Back

Crust

Front

What is the layer beneath the crust?

Back

Mantle

Front

What is the layer of the Earth that is liquid and surrounds the inner core?

Back

Outer core

Front

What is the solid innermost layer of the Earth?

Back

Inner core

Front

What is the term for the movement of tectonic plates?

Back

Plate tectonics

Front

What is the layer of the Earth that behaves like a solid but can flow slowly?

Back

Asthenosphere