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The Core Dynamo
http://bingweb.binghamton.edu/~jbarker/demos/demo14.html
From DLESE Community Collection (DCC)
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This demonstration of the Earth's magnetic field requires a DC motor, ammeter, electromagnet, and DC power supply or battery. The site explains the concept of a dynamo and how if an electrical conductor is in motion within a magnetic field, a current will be generated in the conductor, and if that current flows around in a loop, it will, in turn, generate a magnetic field.
Intended for grade levels:
  • Middle (6-8)
  • High (9-12)
  • College (13-14)
Type of resource:
  • For the classroom:
    • Presentation / Demo
Subject:
  • Geological Sciences:
    • Geophysics
Technical requirements:
No specific technical requirements, just a browser required
Cost / Copyright:
No cost
Copyright and Other Restrictions Information is Unknown.
DLESE Catalog ID: DLESE-000-000-006-239
Educational standards:
  • National Science Education Standards (NSES):
    • 5-8:
      • Unifying concepts and processes:
        • Evidence, models, and explanation
      • D - Earth and space science:
        • Structure of the earth system
    • 9-12:
      • Unifying concepts and processes:
        • Evidence, models, and explanation
      • D - Earth and space science:
        • Energy in the earth system
        • Origin and evolution of the earth system
Related resources:
This resource is referenced by 'Demonstrations of Geophysical Principles Applicable to the Properties and Processes of the Earth's Interior'
http://bingweb.binghamton.edu/~jbarker/demos.html
Resource contact / Creator / Publisher:
Author: Dr Jeffrey S Barker
Binghamton University, Department of Geological Sciences and Environmental Studies