Definitions ash cloud - an ash cloud is the cloud of ash that forms in the air after some volcanic eruptions. conduit - a conduit is a passage through which magma (molten rock) flows in a volcano. crust - the crust is Earths outermost, rocky layer. lava - lava is molten rock; it usually comes out of erupting volcanoes. magma chamber - a magma chamber contains magma (molten rock) deep within the Earths crust.side vent - a side vent is a vent in the side of a volcano. vent - a vent is an opening in the Earths surface through which volcanic materials erupt.
What is a volcano? A volcano is a vent or chimney that connects molten rock (magma) from within the Earth’s crust to the Earths surface. The volcano includes the surrounding cone of erupted material.
3 Types of Volcanoes Shield Volcanoes Cinder Cone Volcanoes Composite Volcanoes These volcanoes get their name b y the way they are shaped and what they are made of.
Shield Volcanoes Are built almost entirely of fluid lava flows. Flow after flow pours out all directions in this volcano. The Hawaiian Island are composed of chains of these volcanoes.
Cinder Cone Volcanoes Simplest types of volcano. Have a bowl shaped crater at the top and rarely rise more than a thousand feet or so above their surroundings. Many are found in western North America.
Interesting Facts Indonesia has the most active volcanoes in the world. The word volcano comes from an ancient god named Vulcan. Mars has the largest volcano solar system. There are over 1900 active volcanoes on Earth Mauna kea is the tallest volcano in the world. Volcanoes are on land and in sea. Volcanic eruptions feature ash, rock, gases, and lava!
What to think about… Vocabulary words What are the 3 types of volcanoes? Describe how a volcano eruption happens Please click here to complete your next activity.