Layers of the earth

Front

What are seismic waves?

Back

Energy waves released by earthquakes.

Front

What causes the Earth's magnetic field?

Back

Movement of the liquid metal of the outer core.

Front

What is the composition of the inner core?

Back

Solid Iron and Nickel.

Front

What two layers does the lithosphere combine?

Back

Crust & upper part of mantle.

Front

What does Earth's magnetic field protect us from?

Back

Solar wind.

Front

What is the outer core primarily made of?

Back

Liquid Iron and Nickel.

Front

What is the mantle?

Back

The layer of Earth between the crust and the outer core.

Front

What is the crust?

Back

The outermost layer of the Earth.

Front

What are convection currents?

Back

Movement of fluid caused by differences in temperature and density.

Front

What is the asthenosphere?

Back

A semi-fluid layer beneath the lithosphere.