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.

What significant event occurred at Mount Saint Helens in 1980?

• A meteor shower

• A scientific discovery

• A volcanic eruption

• A peaceful gathering

What is the layer of solid rock between the Earth's outer core and crust called?

• Crust

• Lithosphere

• Mantle

• Core

What happens to magma when it cannot find a way to the Earth's surface?

• It becomes part of the core

• It forms a magma chamber

• It evaporates

• It turns into gas

What is the term for molten rock that reaches the Earth's surface?

• Ash

• Lava

• Magma

• Sediment

Which of the following mountains is formed by repeated volcanic eruptions?

• Mount McKinley

• Mount Everest

• Mount Vesuvius

• Mount Kilimanjaro