Earth's Layers (CFA #4)

Front

What happens to pressure, temperature, and density as depth increases?

Back

They all increase.

Front

What are the main components of the Earth's crust?

Back

Basalt and granite.

Front

Which layer of the Earth is made of magma and where convection currents occur?

Back

Middle mantle.

Front

Which layer of the Earth has the highest temperature, pressure, and density?

Back

Inner core.

Front

What is the outer core of the Earth?

Back

It is the layer of molten iron and nickel beneath the mantle.

Front

What is the Earth's crust?

Back

The outermost layer of the Earth, composed of solid rock.

Front

What is the mantle?

Back

The layer of the Earth between the crust and the core, made of semi-solid rock.

Front

What is the inner core?

Back

The solid innermost layer of the Earth, primarily composed of iron and nickel.

Front

What is convection?

Back

The process of heat transfer in fluids (liquids and gases) through the movement of the fluid itself.

Front

What is the significance of the outer core?

Back

It generates the Earth's magnetic field.