Layers of the Earth

Front

What are the two types of crust?

Back

Continental crust and Oceanic crust.

Front

What happens to temperature as we move deeper into the Earth?

Back

Temperature increases.

Front

What is the outer core made of?

Back

The outer core is made of liquid iron and nickel.

Front

What is the inner core?

Back

The inner core is a solid sphere made primarily of iron and nickel.

Front

What layer of the Earth is directly below the crust?

Back

The mantle.

Front

What is the state of matter of the mantle?

Back

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

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 difference between continental and oceanic crust?

Back

Continental crust is thicker and less dense than oceanic crust.

Front

What is the temperature of the inner core?

Back

The temperature of the inner core can reach up to 5,700 degrees Celsius.

Front

What is the role of the outer core in Earth's magnetic field?

Back

The movement of liquid iron in the outer core generates Earth's magnetic field.