Volcanoes

The video discusses the most active volcanoes and highlights that they are indicators of Earth's constant change. It defines a volcano as a site where molten rock, gases, and materials reach the surface, and explains the role of vents and the formation of lava. The video also notes that not all volcanoes behave the same way, as they vary in function and formation.

What role do volcanoes play in understanding Earth's changes?

• They indicate that Earth is constantly evolving.

• They have no impact on Earth's surface.

• They are only found in specific regions.

• They are static features of the landscape.

What is a volcano?

• A large rock formation.

• A type of earthquake.

• A place where molten rock and gases reach the surface.

• A mountain formed by tectonic plates.

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

• Ash

• Magma

• Lava

• Sediment

What is a vent in the context of a volcano?

• A small earthquake.

• A type of volcanic rock.

• A type of volcanic eruption.

• A place where magma emerges on the surface.

How do volcanoes differ from each other?

• They all produce the same type of lava.

• They are all located in the same region.

• They vary in their function and formation.

• They all erupt in the same way.