Front

What is the inner core of the Earth?

Back

The inner core is the solid center of the Earth made primarily of iron and nickel.

Front

What is the mantle?

Back

The mantle is the layer of hot, solid material between the Earth's crust and core.

Front

Which layer of the Earth is completely liquid?

Back

The outer core is the layer of the Earth that is completely liquid.

Front

Which layer of the Earth is the thickest?

Back

The mantle is the thickest layer of the Earth.

Front

What is the outer core?

Back

The outer core is the layer of the Earth that is liquid and surrounds the inner core.

Front

What is the crust?

Back

The crust is the outermost layer of the Earth, forming its surface.

Front

What materials primarily make up the inner core?

Back

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

Front

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

Back

The temperature increases as you go deeper into the Earth.

Front

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

Back

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

Front

What is the Earth's lithosphere?

Back

The lithosphere includes the crust and the uppermost part of the mantle.