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