New Layers of the Earth

Front

What is the hottest layer of the Earth?

Back

The inner core.

Front

Which layer of the Earth is primarily composed of iron and nickel?

Back

The core.

Front

What is the least dense layer of the Earth?

Back

Earth's crust.

Front

Is Earth's crust the thickest layer of the Earth?

Back

False.

Front

Which layer of the Earth is under the greatest amount of pressure?

Back

The inner core.

Front

What are the three main layers of the Earth?

Back

Crust, mantle, and core.

Front

What is the composition of the Earth's mantle?

Back

The mantle is composed of silicate rocks that are rich in iron and magnesium.

Front

How does the density of the Earth's layers change from the crust to the core?

Back

Density increases from the crust to the core.

Front

What is the approximate temperature of the inner core?

Back

The temperature of the inner core can reach up to 5,700 degrees Celsius (10,300 degrees Fahrenheit).

Tags

NGSS.HS-ESS2-3

Front

What is the outer core primarily made of?

Back

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