volcanoes charlie beecham cynthia jasch chloe wilson
TRANSCRIPT
Volcanoes
Charlie Beecham
Cynthia Jasch
Chloe Wilson
ContentsSee Handout of Questions while viewing
• Rules & Procedures
• Volcano Web
Site
• History• Math
• Interactive Activity:
“Melting Rock”
• Slide show-Earth Science & History of St. Helen’s
Contents page 2
• Science• What is it?• Magma• Sources• The End
Rules & Procedures
• We must have a signed Permission Form (signed by a Parent/Guardian) on file before you begin the web activity.
• Remember and follow the School Policies regarding Internet Activities. A copy is at the computer center.
• Infractions will result in loss of computer privileges.
Web Sitehttp://vulcan.wr.usgs.gov/home.html
Feel Free to Explore this site
Volcanic lightning
History
PELE
Volcanoes in Legends and Mythology:
Who was Pele?
http://vulcan.wr.usgs.gov/LivingWith/PopCulture/mythology.html
Who was the first person believed to associate the weather with active volcanoes? See his paper at:
www.dartmouth.edu/~volcano/Fr373p77.html
Math
• If the Lava flow stopped 15.3 miles from the volcano, how far did it travel in kilometers? Meters?
• The lava has cooled to 230° Fahrenheit, what is that in Celsius?
• http://vulcan.wr.usgs.gov/Miscellaneous/ConversionTables/conversion_table.html
Interactive Website: Can you make magma?
www.learner.org/exhibits/volcanoes/entry.htmlgo to the bottom of the page and select “Melting
Rocks”
Slide Show: Earth Science & Geology
Click on: load page with thumbnails and click on a picture to enlarge it for viewing
What survived the blast, and how did they survive?
What are problems for people living downstream of Mt. St. Helen’s?
http://vulcan.wr.usgs.gov/ljt_slideset.html
Science: Types of Volcanoes
• What are the five major types of volcanoes?
http://vulcan.wr.usgs.gov/Photo/Pictograms/volcano_types.
What is it?
• Caldera
• When did the eruption of Mount Mazama occur and create Crater Lake?
• What is the “volcano within a volcano?”
To answer these questions:
Go to the main page,
Select: Maps & graphics
Select: Calderas
Select: Calderas-”Pictograms”
http://vulcan.wr.usgs.gov
Magma
• What is it?Magma becomes Lava after extrusion from the earth
Sources for PowerPoint-”Volcanoes”
http://vulcan.wr.usgs.gov U.S. Geological Survey: Cascades Volcano Observatory.
http://windows.arc.nasa.gov/cgi-bin?tour_def/earth/interior/lava.html (click on …speeds.) Picture of lava flow.
©Microsoft Office 2000. “Volcano clips”.
The End