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In this lesson, students will learn to distinguish the different layers of the Earth, observe the effects of plate movements, and explore the reasons for earthquakes and volcanoes. They will label and measure the thicknesses of each layer of the Earth (lithosphere, asthenosphere, etc.) and record their results, construct models from sand and clay to illustrate what happens at the three types of plate ... Full description.
Grade level: Intermediate (3-5), Middle (6-8), High (9-12)
Resource type: Classroom activity, Guide for instructor, Lesson plan
Subject: Geology, Structural geology
 
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This page discusses the three main forces (compression, tension, and shear) that drive deformation within the Earth. Students can click on an animation to see illustrations of each type. Links to a glossary are embedded in the text. Full description.
Grade level: Middle (6-8), High (9-12)
Resource type: Classroom activity, Visualization - scientific, Ref. material
Subject: Geology, Structural geology
 
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The glossary has about 60 terms that are primarily types of volcanoes or vents, eruption types, and eruptive products. Clicking on a term displays a captioned photograph illustrating the concept and a glossary definition. Below the photgraph are related glossary terms and sometimes other information or photograph links. Full description.
Grade level: Middle (6-8), High (9-12), College (13-14), College (15-16), Graduate / Professional, Informal
Resource type: Photograph, Glossary
Subject: Geology, Mineralogy or petrology, Natural hazards
 
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This volcanoes site provides information about volcanoes as well as a classroom activity. There are video clips which show some of the features discussed, such as types of lava and eruptive styles. Topics covered by the text include how rocks melt, where and why volcanoes occur (plate tectonics), hot spots, volcanic hazards, forecasting eruptions and coping with risk. The classroom exercise involves ... Full description.
Grade level: Middle (6-8), High (9-12)
Resource type: Classroom activity, Video, Ref. material
Subject: Geology, Natural hazards, Policy issues
 
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This site explains how to use evidence from fossils to understand the ecology of ancient organisms. Fossils provide clues and together abiotic and biotic factors combine to form complete ecosystems, each with its own unique ecology and history. Predator and prey relationships and dispersal are used as examples to show how fossils can also tell us about biotic factors, such as what organisms are present ... Full description.
Grade level: Primary (K-2), Intermediate (3-5)
Resource type: Tutorial
Subject: Ecology, Geology, Paleontology
 
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This interactive site demonstrates how fossil evidence and the principle of superposition are used to determine the age of rock layers and fossils. It contains several examples of index fossils and how they are used to date events. Geologic changes including continental drift are also related to fossil evidence. Full description.
Grade level: Middle (6-8), High (9-12)
Resource type: Tutorial
Subject: Geologic time, Geology, Paleontology
 
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Alfred Wegener, the German scientist who proposed the idea of continental drift, had always been interested in geophysics and also became fascinated with the developing fields of meteorology and climatology. During his life, Wegener made several key contributions to meteorology: he pioneered the use of balloons to track air circulation and wrote a textbook that became standard throughout Germany. ... Full description.
Grade level: High (9-12), College (13-14)
Resource type: Ref. material
Subject: Geology, Geophysics, History and philosophy of science
 
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These interactive simulations allow students to investigate four of nature's more violent phenomena: volcanoes, earthquakes, hurricanes, and tornadoes. Each simulation begins with a brief written tutorial describing the characteristics and destructive potential of these hazards. Users may then adjust the various factors affecting the occurrence of these phenomena (for instance, ocean temperature, ... Full description.
Grade level: Intermediate (3-5), Middle (6-8), High (9-12), College (13-14)
Resource type: Computer activity, Video, Ref. material
Subject: Atmospheric science, Geology, Geophysics, Natural hazards
 
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This report reviews two methods of earthquake prediction: statistical analysis and observation of geophysical precursors of earthquakes. Statistical analysis involves observing the history of earthquake occurrences in a given region to see whether there are patterns or cycles; two case studies are provided as examples: Friuli, Italy and Parkfield, California. Five geophysical precursors, changes in ... Full description.
Grade level: Middle (6-8), High (9-12), College (13-14)
Resource type: Ref. material
Subject: Geology, Geophysics, Structural geology
 
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This report decribes research being carried out in Parkfield, California whose purpose is to better understand the physics of earthquakes: what actually happens on the fault and in the surrounding region before, during and after an earthquake. Ultimately, scientists hope to better understand the earthquake process and, if possible, to provide a scientific basis for earthquake prediction. Topics include ... Full description.
Grade level: Middle (6-8), High (9-12), College (13-14)
Resource type: Illustration - scientific, Map, Ref. material, Remotely sensed dataset
Subject: Geology, Geophysics, Structural geology
 
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