Layers of the Earth - Basic

Front

What is the Earth's crust?

Back

The Earth's crust is the outermost layer of the Earth, consisting of solid rock. It is where we live and is divided into two types: continental crust and oceanic crust.

Front

What is the difference between oceanic crust and continental crust?

Back

Oceanic crust is thinner and denser than continental crust. Continental crust is thicker and less dense, making it rise higher above sea level.

Front

What is the mantle?

Back

The mantle is the layer of the Earth located beneath the crust. It is the thickest layer and is made of semi-solid rock that flows slowly.

Front

What is the outer core?

Back

The outer core is a liquid layer of the Earth located beneath the mantle. It is composed mainly of iron and nickel and is responsible for Earth's magnetic field.

Front

What is the inner core?

Back

The inner core is the Earth's innermost layer, composed of solid iron and nickel. It is extremely hot and under immense pressure.

Front

Which layer of the Earth is the thickest?

Back

The mantle is the thickest layer of the Earth.

Front

Which layer of the Earth is the thinnest?

Back

The crust is the thinnest layer of the Earth.

Front

What layer do we live on?

Back

We live on the Earth's crust.

Front

How does the crust relate to the avocado model?

Back

In the avocado model of Earth's layers, the peel represents the crust.

Front

What are tectonic plates?

Back

Tectonic plates are large pieces of the Earth's crust that move and interact with each other, causing earthquakes and volcanic activity.