Volcanoes By Chelsea Alston & Tyrell Edmondson

V olcano Lava Pyroclastic Materia l

Types of Volcanoes Shield Volcano Cinder Cone Volcano Composite Volcano

Craters are funnel – shaped pits that form around the central vent of a volcano Calderas form when a magma chamber that supplies material to a volcano empties and its roof collapses

How Volcanoes Erupt

Volcanoes result from magma formed in the Mantle. A Magma Chamber Is is a large underground pool of molten rock found beneath the surface of the Earth.

Volcano Ashes Exposure to ash can be harmful. Infants, elderly people, and people with Bad conditions like asthma Ash is gritty, and always unpleasant. Small ash particles can abrade (scratch) the front of the eye.

Volcanic Gases Most gases from a volcano quickly blow away. heavy gases such as carbon dioxide and hydrogen sulfide can collect in low-lying areas. Other volcanic gases include hydrogen chloride, carbon monoxide, and hydrogen fluoride..

Volcanic Gases (#2) Amounts of these gases vary widely from one volcanic eruption to the next. People who are close to the volcano or who are in the low-lying areas downwind may be exposed to levels that may affect health.

Summary Volcano Lava Pyroclastic Material Shield Volcano Cinder Cone Volcano Composite Volcano Crater Caldera Rift Hot Spot