Geography 6
Instructor Matt Ebiner
Mojave Field Trip Make-Up Lab – Part I
Name _______________________
Due Date ____________________
Volcanoes
Go to http://pubs.usgs.gov/gip/volc/cover2.html, the US Geological Survey’s website
about Volcanoes.
First go to The Nature of Volcanoes
1. Read the first paragraph and in your own words, give a one-sentence definition of
what a volcano is.
2. What is the difference between magma and lava?
3. What would be the difference between volcanic eruptions if one volcano has thin,
fluid lava while the other has thick, viscous lava?
At the bottom of the page click on Table of Contents, then click on Introduction
4. Why do people choose to live near volcanoes?
5. What volcano in the USA erupted in 1980?
What plate boundaries is that volcano on? To answer this, go to the bottom of the
page and click on Table of Contents. Then click on Plate-Tectonics Theory
________________________
______________________
Go to the bottom of the page and click on Table of Contents. Then click on
Principal Types of Volcanoes
6. Cinder Cones – In one sentence and in your own words, describe what a cinder
cone is. Mention size, shape, and what it is made of.
7. Paricutin Volcano – What country is it in?
Go to http://volcano.und.nodak.edu/ then click on Volcano Name (on left,
towards bottom of screen). Find Paricutin and its latitude and longitude.
Latitude _____________
Longitude _______________
Go to the Plate Tectonics map at http://pubs.usgs.gov/gip/volc/fig37.html. Find
Paricutin’s location on the map (using the latitude and longitude above).
Paricutin is on the boundary of which 2 plates?
_______________________ _________________________
8. Go back to the USGS Volcanoes Site at http://pubs.usgs.gov/gip/volc/types.html
Stratovolcanoes (Composite Volcanoes) – In one sentence and in your own
words, describe this type of volcano. Mention size, shape and what it is made of.
9. One of South America’s most famous volcanoes is Mt. Cotopaxi in Ecuador. Go
to http://volcano.und.nodak.edu/ then click on Volcano Name (on left, towards
bottom of screen). Find Cotopaxi and its latitude and longitude.
Latitude _____________
Longitude _______________
Go to the Plate Tectonics map at http://pubs.usgs.gov/gip/volc/fig37.html. Find
Cotopaxi’s location on the map (using the latitude and longitude above).
Cotopaxi is on the boundary of which 2 plates?
_______________________ _________________________
10. Go back to the USGS Volcanoes Site at http://pubs.usgs.gov/gip/volc/types.html
Shield Volcanoes – In one sentence and in your own words, describe this type of
volcano. Mention size, shape and what it is made of.
What state in the USA has shield volcanoes that are currently active?