Layers of the Earth

Front

What is the thickest layer of the Earth?

Back

The mantle is the thickest layer of the Earth.

Front

Which layer of the Earth is made up of solid rock and is the outermost layer?

Back

The crust is the outermost layer of the Earth.

Front

What are the two types of crust?

Back

The two types of crust are continental crust and oceanic crust.

Front

What layer of the Earth is located beneath the crust?

Back

The mantle is located beneath the crust.

Front

What is the outer core primarily made of?

Back

The outer core is primarily made of liquid iron and nickel.

Tags

NGSS.MS-PS1-1

Front

What is the inner core?

Back

The inner core is the solid innermost layer of the Earth, made mostly of iron and nickel.

Front

What happens to less dense materials in the Earth's layers?

Back

Less dense materials rise to the top.

Front

What is the temperature like in the inner core?

Back

The temperature in the inner core can reach up to 5,500 degrees Celsius.

Tags

NGSS.MS-PS3-4

Front

How thick is the Earth's crust on average?

Back

The Earth's crust is about 5 to 70 kilometers thick.

Front

What is the main characteristic of the mantle?

Back

The mantle is semi-solid and can flow slowly over time.