Volcanoes

The video explains how volcanoes help us understand Earth's interior. It describes the process of rock melting into magma deep inside the Earth, which can push its way to the surface and erupt as lava. This lava flows down the volcano and solidifies into rock. The video emphasizes the significance of volcanoes in revealing the geological processes of our planet.

How does the appearance of solid rock relate to its previous state as lava?

What can you infer about the rocks you see around a volcano?