Layers of the Earth

Front

What are the layers of the Earth in order from the outside to the inside?

Back

Crust, Mantle, Outer Core, Inner Core

Front

Which layer of the Earth is responsible for the movement of tectonic plates?

Back

Asthenosphere

Front

What is the asthenosphere?

Back

A layer located within the upper mantle, made up of hot, rocky material with convection currents.

Front

What is the outer core made of?

Back

Melted metal.

Front

What is oceanic crust?

Back

A type of crust that is dense, thin, and made of basalt.

Front

What is the lithosphere?

Back

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

Front

What is the difference between oceanic crust and continental crust?

Back

Oceanic crust is thinner and denser, made of basalt; continental crust is thicker and less dense, made of granite.

Front

What is the mantle?

Back

The layer of the Earth between the crust and the outer core, composed of semi-solid rock.

Front

What is the inner core?

Back

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

Front

What are tectonic plates?

Back

Large pieces of the Earth's lithosphere that move and interact at their boundaries.