Layers of Earth

Front

What layer of the Earth is responsible for generating the Earth's magnetic field?

Back

Outer core

Front

What is the name of the plastic layer of the mantle on which the lithosphere moves?

Back

Asthenosphere

Front

Which element constitutes the largest portion of the Earth's crust?

Back

Silicon

Front

What is the outermost physical layer of the Earth called?

Back

Lithosphere

Front

What are the primary elements that make up the Earth's core?

Back

Nickel and Iron

Front

What is the composition of the Earth's crust primarily made of?

Back

Silicon and Oxygen

Front

What is the difference between the lithosphere and the asthenosphere?

Back

The lithosphere is rigid and includes the crust and upper mantle, while the asthenosphere is semi-fluid and allows for the movement of tectonic plates.

Front

What is the approximate thickness of the Earth's crust?

Back

5 to 70 kilometers, depending on whether it is oceanic or continental crust.

Front

What is the mantle primarily composed of?

Back

Silicate minerals rich in magnesium and iron.

Front

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

Back

Temperature generally increases with depth due to geothermal gradient.