Download Virtual Volcano

Virtual Volcano
Name _______________________
Answer the questions in yellow!
Go to http://dsc.discovery.com/convergence/pompeii/interactive/interactive.html or go to
your teacher’s website for the link.
You have found yourself at the Volcano Explorer. Hit the enter button right below the
intro paragraph.
Below the spinning globe on the right hand side, there is a menu of other things to learn
about. Click on “tectonic plates.”
In your own words, what are tectonic plates? _____________________________
Now click on “Ring of Fire” in the bottom right hand corner.
Where is the Ring of Fire located? _____________________________________
Why is it called the Ring of Fire? ______________________________________
Now click on “Layers Within.”
How many layers of the core are there in this model? _____________
How many layers of the mantle are there in this model? ___________
Now go to the left hand side of the screen. Find the menu. Click on “volcano types.”
How many common categories of volcanoes are there? ___________
Italy is home to what mountain that destroyed Pompeii in 79 ad? _____________
Now click on “cinder cone” in the bottom right hand side.
Name two famous cinder cones mentioned here. _____________ and ____________
Now click on “shield volcano.”
Where do shield volcanoes usually build from? _______________
The fluid, runny lava can flow ________________________ before cooling.
How wide is Mauna Loa? ______________________
Now go back to the menu on the left hand side, and click “inside a volcano.”
Why does magma naturally push upward? ___________________________
According to the picture, how would you define a fissure? ________________________
According to the picture, how would you define a dike? __________________________
Now go back to the menu and select “Build your own volcano and watch it erupt”
Below where it says “Gas and Viscosity settings,” click on the bullet that says “viscosity
info.” A pop-up will come up in the upper right hand corner.
Describe silica levels in high and low viscosity volcanoes. ___________________
____________________________________________________________________
Now click on “Gas Info.”
What two things are the magma’s gas content made of? __________ and __________
Now go to the viscosity and gas conditions next to the moving lava. Put viscosity on high
and keep gas on low. Press “Set Conditions.”
What kind of volcano have you created? ________________________
Click “start eruption.” (Make sure your volume is ON but not too loud!)
What kind of eruption have you created? _____________
Where are the lava tubes? __________________
Now click on “change settings” again.
This time, make viscosity low and gas high.
Click on “set conditions.”
What kind of volcano this time? ___________
Click on “start eruption.”
How was this eruption different from the last? __________________________
What’s the name for this eruption? _____________
Now set viscosity to just below the high mark, and keep gas on low.
What’s the volcano type you’ve built? _____________________
How big are domes typically? ____________________
Start the eruption.
In your own words, describe this eruption. _____________________________________
Hit “Change settings.”
Put viscosity on high and gas on high.
What kind of volcano have you created? ___________________________
Name two of these types of volcanoes. ____________________________
Start the eruption
What is the name of this type of eruption? ___________________________
Name the four features on the volcano that it creates.
_________________________________________
Fill in this chart to show the scale of volcanic eruptions
Type of volcano
Type of Eruption
Intensity (high, medium,
low)
When you’re done, go to this site:
http://dsc.discovery.com/convergence/pompeii/videogallery/videogallery.html
And scroll through and watch the various videos of eruptions!