Earth's Layers

Front

What are the two main components of the lithosphere?

Back

The lithosphere consists of the upper mantle and the crust.

Front

Which layer of Earth is the thickest?

Back

The mantle is the thickest layer of Earth.

Front

Which layer of Earth has the lowest density?

Back

The crust has the lowest density.

Front

What layer of the Earth is composed of material with the highest density?

Back

The inner core is composed of material with the highest density.

Front

What property do the layers of a clay model of Earth share with the real Earth?

Back

The model will have layers that are in the same positions as the real Earth.

Front

What is the outer core primarily made of?

Back

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

Front

What is the state of matter of the mantle?

Back

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

Front

How does the temperature change as you go deeper into the Earth?

Back

The temperature generally increases as you go deeper into the Earth.

Front

What is the composition of the Earth's crust?

Back

The Earth's crust is composed mainly of rocks and minerals.

Front

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

Back

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