Earth's Layers Flashcard

Front

What is the estimated rate at which the inner core is growing?

Back

1 millimeter per year.

Front

What is the main difference between oceanic and continental crust?

Back

Oceanic crust is more dense than continental crust.

Front

What is the main component of continental crust?

Back

Silica.

Front

What is the main cause of Earth's magnetic field?

Back

Geodynamo.

Front

What is the main component of the mantle?

Back

Peridotite.

Front

What are the three main layers of the Earth?

Back

Crust, Mantle, Core.

Front

What is the outermost layer of the Earth called?

Back

Crust.

Front

What is the layer beneath the crust?

Back

Mantle.

Front

What is the Earth's core primarily made of?

Back

Iron and Nickel.

Front

What is the difference between the inner core and outer core?

Back

The inner core is solid, while the outer core is liquid.