Earth's Geology

• Word Search & Crossword Puzzles

Puzzles created by the ORNL DAAC, especially suited for grades 1-7

• Eisenhower National Clearinghouse (ENC) Science Topics

Lists of web sites categorized by subject areas within science. Subject areas included are: Earth and Space Science, Physical Science, History of Science, Careers, Life Science, Informal Education, and Process Skills.

• The Rock Cycle

A Discussion of Igneous, Sedimentary, and Metamorphic rocks and the rock cycle. Includes a clickable map that offers more detailed descriptions of the rock types found within their tectonic settings, with links to more detailed information about each subject.

• Earth's Active Volcanoes

An index of all active volcanoes sorted by geographic region each includes a link to detailed information about the specific volcano and its eruptions.

• Global Volcanism Program

Comprehensive computer databases and an archive of relevant maps, photos, and documents on Earth's volcanic eruptions of the last 10,000 years.  [Includes links to volcano information]

• Volcano World Teaching and Learning

Includes lessons on Volcanoes, Types of Volcanoes, Building Volcano Models, Volcanic Mineral Deposits, Volcano Facts, and much more volcano information.

• Tramline Volcano Field Trip

Slide-show tour of Volcanoes.  Exciting photographs of volcanoes in action, learn how they are formed, how dangerous they can be, what they are like on other planets, and a lot more!

• Hawaiian Volcano Observatory

Volcanic Hazards on the Island of Hawaii.  Find out how new land is created when lava enters the sea and how to identify areas near lava-entry points that are safe for viewing.  Includes color photographs of volcanic action.

• Rockhounds Information Page

Numerous links related to Geology.  The Rockhounds discussion list was created to help exchange ideas, collecting sites, tips, and other information of general interest to gem and mineral collectors.  [Includes links to images and pictures]