Earth Layers*

Front

What are the two types of crust that the Earth has?

Back

Oceanic and Continental Crust

Front

Which layer of the Earth has the greatest density?

Back

Inner Core

Front

What is the name of Layer 4 of the Earth?

Back

Upper Mantle

Front

Which layer of the Earth is the only liquid layer?

Back

Outer Core

Front

What is the composition of the Earth's Inner Core?

Back

Primarily composed of iron and nickel.

Front

What is the temperature range of the Earth's Outer Core?

Back

Approximately 4,000 to 6,000 degrees Celsius.

Tags

NGSS.HS-ESS2-3

Front

What is the primary characteristic of the Earth's Mantle?

Back

It is semi-solid and allows for convection currents.

Front

How thick is the Earth's crust on average?

Back

About 5 to 70 kilometers thick.

Front

What is the main difference between Oceanic and Continental Crust?

Back

Oceanic crust is thinner and denser than continental crust.

Front

What is the state of matter of the Upper Mantle?

Back

It is solid but behaves like a viscous fluid over long periods.

Tags

NGSS.MS-PS1-4