Learn about the structure of the Earth, the Earth's crust and plate boundaries. Find out about collision zones, tectonic plates and how a fold mountain is formed.

Rocks found on the surface of the Earth can reveal a lot about it's interior. The geological timescale and the processes that happen occur over a long period of time.

Earthquakes are caused by the movement of the Earth's plates. Discover how to measure the strength of an earthquake and the effects that major earthquakes have had.

Volcanoes form when magma reaches the Earth's surface, causing eruptions of lava and ash. Find out about types of volcano and how to measure their strength.