2. Volcanoes Charlie Beecham Cynthia Jasch Chloe Wilson

3. Contents See 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

4. Contents page 2 Science What is it? Magma Sources The End

5. 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.

6. Web Site http://vulcan.wr.usgs.gov/home.html Feel Free to Explore this site http://vulcan.wr.usgs.gov/home.html Volcanic lightning

7. History PELE Volcanoes in Legends and Mythology: Who was Pele? http://vulcan.wr.usgs.gov/Liv ingWith/PopCulture/mytholo gy.html Who was the first person believed to associate the weather with active volcanoes? See his paper at: www.dartmouth.edu/~volcano/Fr3 73p77.html

8. 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/Conversion Tables/conversion_table.h tmlhttp://vulcan.wr.usgs.gov/ Miscellaneous/Conversion Tables/conversion_table.h tml

9. Interactive Website: Can you make magma? www.learner.org/exhibits/volcanoes/entry.html go to the bottom of the page and select “Melting Rocks” www.learner.org/exhibits/volcanoes/entry.html

10. 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

11. Science: Types of Volcanoes What are the five major types of volcanoes? http://vulcan.wr.usgs.gov /Photo/Pictograms/vol cano_types.

12. 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

13. Magma What is it? Magma becomes Lava after extrusion from the earth

14. Sources for PowerPoint- ”Volcanoes” http://vulcan.wr.usgs.govhttp://vulcan.wr.usgs.gov U.S. Geological Survey: Cascades Volcano Observatory. http://windows.arc.nasa.gov/cgi- bin?tour_def/earth/interior/lava.htmlhttp://windows.arc.nasa.gov/cgi- bin?tour_def/earth/interior/lava.html (click on …speeds.) Picture of lava flow. ©Microsoft Office 2000. “Volcano clips”.

15. The End