This is a user's guide that contains background science and technology information for the Geomagnetic Event Observatory Network by Students program, or GEONS. Learners can review the role that terrestrial magnetism plays in shaping a number of... (View More) important Earth systems. The guide also explains the basic operating principles behind magnetometers, particularly the magnetometer system used in the GEONS program. (View Less)

This is a website that serves as an online textbook to tell the story of William Gilbert, English physicist during the time of Queen Elizabeth I, and the history of the discovery of Earth's magnetism. Learners can read about historical studies of... (View More) magnetism, connections between sunspot activity and the Earth's magnetic field, the internal dynamo responsible for generating the Earth's magnetic field, magnetic polarity and reversals, and geomagnetic storms. (View Less)

This website serves as an online textbook about the Earth's magnetosphere and was developed by a retired space physicist. The emphasis of the site is on the history, conceptual understanding, and basics relating to electrons, ions and their motion... (View More) in space, plasmas and energy. The site also covers planetary magnetospheres, cosmic rays, space weather, selected spacecraft missions, an activity for creating a paper model of the magnetosphere, and a project for plotting interplanetary field lines. It includes informational text divided into 35 chapters, a glossary, timeline, questions and answers, a teacher's introduction to the Earth's magnetosphere, suggestions for teaching about magnetism using classroom demonstrations, and articles titled Birth of a Radiation Belt and Secrets of the Polar Aurora. (View Less)