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

What is the outer core made of?

Back

Melted metal (primarily iron and nickel)

Front

What type of crust is dense, thin, and made of basalt?

Back

Oceanic crust

Front

What is the asthenosphere?

Back

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

Front

Which layer of the Earth is made of liquid metal?

Back

Outer core

Front

What is the composition of the inner core?

Back

Solid metal, primarily iron and nickel.

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 lithosphere?

Back

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

Front

What is the mantle primarily composed of?

Back

Silicate rocks that are rich in iron and magnesium.

Front

What is the temperature range of the Earth's inner core?

Back

Approximately 4,000 to 5,000 degrees Celsius.