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vocabulary
Important people
Magnetosphere
100
Magnetism
What is the force between electric currents?
100
William Gilbert
Who proposed that the earth was a magnet and that its magnetic poles were a distance away from the geographic ones?
100
Neutral
Most atoms on Earth are electrically...
200
Magnetic Field
What is a region around a magnetic material or a moving electric charge within which the force of magnetism acts?
200
Hans Christian Oersted
Who discovered that electric current can cause a needle to move which in turn produced a magnetic force?
200
South, North
Above the atmosphere the atoms are not neutral and are guided by magnetic field lines that begin near the_____pole and go into near the _________Pole
300
Magnetosphere
What is the region surrounding the earth or another astronomical body in which its magnetic field is the predominate effective magnetic field?
300
Michael Faraday
Who found a way to visualize magnetic field lines?
300
Magnetosphere
Fluctuations in the magnetic field like magnetic storms and the northern lights are caused by what?