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This is a drawing a magnetic field.
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The Magnetic Field

The force of magnetism causes material to point along the direction the magnetic force points. Here's another picture of how this works.

This picture shows where the magnetic poles of the Earth are to be found. The picture also shows that these poles drift over the surface of the Earth over time.

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Cool It! Game

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The Sun's Magnetic Field

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Sunspots and Magnetic Fields

You probably have magnets on your refrigerator holding up some of your artwork or a photograph of a friend or family. Did you know that it is magnetic fields (which all magnets have) that make sunspots...more

Basic Facts About Bounce Motion

Some particles do move along the field lines of the Earth. They bounce back and forth from one pole of the Earth to the other....more

Basic Facts About the Effects of Magnetic Fields on Charged Particles

Magnetic fields can cause particles to move in these three ways: Spiral Motion Bounce Motion Drift Motion ...more

Basic Facts About Spiral Motion

Sometimes protons and electrons are forced to spiral around magnetic field lines. Electrons cirle the field line in one direction, protons in the opposite direction....more

Scientists Have Found Ancient Mars to be Like Earth

Scientists have found that ancient Mars was similar to Earth! Magnetic field lines flow from the north pole to the south, but sometimes they switch. When scientists look at the lines, they can see how...more

The Moon's Magnetosphere

Unlike the Earth, which has a protective shield around it called the magnetosphere, the surface of the moon is not protected from the solar wind. This picture shows the magnetosphere surrounding the Earth,...more

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