Exploding mountains

The video explains the nature of volcanoes, using Mount Saint Helens as an example. It describes the Earth's mantle, the formation of magma, and how pressure leads to volcanic eruptions. The process of lava cooling and forming mountains is also covered, with examples like Mount Vesuvius and Mount Fuji.

Explain the difference between lava and magma.

What happens to lava after a volcanic eruption?