Layers of the Earth Flashcard I

Front

What is the thickest type of crust on Earth?

Back

Continental crust.

Front

In a model of Earth made from clay, which layer should be the thinnest?

Back

The layer representing the crust.

Front

Which layer of Earth has the greatest density?

Back

Inner core.

Front

What is the composition of the outer core?

Back

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

Front

What is the state of matter of the mantle?

Back

The mantle is made of 'flowing' solid rock, similar to clay or pudding.

Front

What are the two main types of Earth's crust?

Back

Continental crust and oceanic crust.

Front

What is the primary difference between the continental crust and oceanic crust?

Back

Continental crust is thicker and less dense than oceanic crust.

Front

What is the temperature range of the inner core?

Back

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

Front

What is the primary component of the Earth's mantle?

Back

The mantle is primarily composed of silicate minerals.

Front

How does the density of the outer core compare to the mantle?

Back

The outer core is denser than the mantle.