Geology Section 9.2 Homework: Magma and Erupted Materials: Due Wednesday, 12/11/13
Read Section 9.2, pages 199-201. Answer the questions that follow.

Information and animations about volcanoes that will help with this homework: http://www.nationalgeographic.com/forcesofnature/forces/volcanoes.html

Information about Mt. Vesuvius: http://www.cotf.edu/ete/modules/volcanoes/vmtvesuvius.html

Description of Pyroclastic Flow: http://volcanoes.usgs.gov/images/pglossary/PyroFlow.php

Link to information about volcanic ash: http://volcanoes.usgs.gov/ash/

Link to information about Bowen's Reaction Series: http://www.skidmore.edu/~jthomas/fairlysimpleexercises/pdf/brs.pdf


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Last Name, First Name *
Period (Put only the number.) *
What is the most explosive type of magma? *
Basaltic magmas have _______________________ silica content. *
Describe something you have seen before that describes the word VISCOSITY. Hint: IHOP and Jiffy Lube. *
Smooth, ropelike basaltic lava is known as *
The eruption of Mount Vesuvius, Italy in the year 79 AD is a good example of the destruction caused by a pyroclastic flow. Describe what a pyroclastic flow is and why it is so dangerous. Use the links above to help you. *
Volcanic ash is extremely hazardous to human health and aircraft flying in the vicinity of a volcanic eruption. Use the link above to describe what volcanic ash is and why it is so hazardous. *
According to Bowen's reaction series, which type of magma will have the highest melting temperature? See link above to Bowen's Reaction Series. *
Which of the following volcanoes would have the lowest gas content in their magmas? *
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