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This demonstration uses a gyroscope (a bicycle wheel works well), string, and a turntable (optional) to show how the equatorial bulge of Earth causes precession. By balancing the spinning bicycle wheel on one hand, and pulling a string attached to the top axle with the other, the axis of the wheel traces out a circle (precesses). The site also explains how the moment of inertia is related to torque ... Full description.
Grade level: Middle (6-8), High (9-12), College (13-14)
Resource type: Presentation / Demo
Subject: Geophysics
 
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Educational standards associated with this resource:
National Science Education Standards (NSES): Read
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Misconceptions: Read (1)
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This slide show provides basic information on the three major rock types and the rock cycle. Diagrams of the rock cycle explain the processes and changes that connect the three rock types and illustrate how one type can be changed into another. Each of the three types (sedimentary, igneous, metamorphic) are described and illustrated with photographs. Addresses for websites with additional information ... Full description.
Grade level: Intermediate (3-5), Middle (6-8), High (9-12)
Resource type: Presentation / Demo
Subject: Mineralogy or petrology
 
Choosing & Using this resource...
Educational standards associated with this resource:
National Science Education Standards (NSES): Read
Pedagogical help
Misconceptions: Read (1)
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This resource is included in the following collections:
DLESE Community Collection (DCC)    Browse collection
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This web site is maintained by John Winter of Whitman College, and is an on-line companion to a mineralogy course. The web site contains a course syllabus, PowerPoint presentations and an Excel tutorial. Topics included in the PowerPoint presentations include basic symmetry concepts, 2-D and 3-D translations, crystal properties, and optical mineralogy concepts. Each PowerPoint file can be downloaded ... Full description.
Grade level: College (13-14), College (15-16), Graduate / Professional
Resource type: Course, Presentation / Demo, Illustration - scientific
Subject: Geochemistry, Geology, Mineralogy or petrology
 
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Skills: Read (1)
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This site contains slide shows and virtual field trips of Yellowstone National Park. There are several slide shows to chose from, including wolves of Yellowstone, bear research, fire ecology, the history of Yellowstone and the influence of art on Yellowstone Park. Each program features slides containing text and photographs. There is also an orientation slide show about the National Park system. More ... Full description.
Grade level: Middle (6-8), High (9-12), Informal, General public
Resource type: Field trip - virtual, Presentation / Demo, Photograph, Ask an expert
Subject: Biology, Environmental science, Human geography, Natural hazards, Policy issues
 
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Misconceptions: Read (3)
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This site is a module for introductory structural geology. The module is web-based and contains text, illustrations, exercises, interactive models, and animations. The module also contains laboratory exercises and a practice exam. Topics include stress and strain, faults, folds, and geologic maps. This site would be useful for teachers looking for interactive teaching tools, or could be used by students ... Full description.
Grade level: High (9-12), College (13-14)
Resource type: Computer activity, Module / Unit, Presentation / Demo, Illustration - scientific
Subject: Structural geology
 
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Pedagogical help
Skills: Read (1)
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This resource is part of :
 
This resource is included in the following collections:
Cutting Edge    Browse collection
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Results 1 - 5 of 5