Presentation 1
What are volcanoes?
Openings on the Earth's surface that allow molten rock and other materials to escape.
Did cinder cone volcanoes form from a single vent?
Yes
What are the four types of volcanoes?
Cinder cone, composite volcanoes, shield volcanoes, and lava volcanoes
Where is the Ring of Fire located?
Pacific Ocean
What are the different stages of a volcano?
Active, Extinct, and Dormant
About 8,000 feet
Why do most volcanoes occur?
400, specifically 452
Over time, why do volcanoes get bigger?
Because it keeps erupting, causing lava and other materials to pile on top.
Composite volcanoes are also referred to as ___ volcanoes
The Ring of Fire is a direct result from ___.
Plate Tectonics
What makes a dormant volcano different from an extinct volcano?
A dormant volcano has a magma chamber that is slowly filling up while an extinct volcano has an inactive magma chamber
How long does a volcano not have to erupt in order to be considered extinct?
When volcanoes are formed, manga from the ___ works it's way up the surface.
Upper Mantle
Lava, volcanic ash, volcanic gas, pumice, pyroclastic flow, and lahar
What other natural disaster occurs in the Ring of Fire?