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| Click the Techie Toolbox for tips and help to make the most of your time on the Web. |
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| Chapter 7: Magnetism |
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p.196

The
Exploration of the Earth’s Magnetosphere
Visit
this NASA site to learn more about Earth’s magnetic field. In
your Science Journal, sketch a diagram of the magnetosphere.
What is a ring current?
p.201

World
of Beams
Access
this site maintained by the Lawrence Berkeley National Laboratory’s
Accelerator and Fusion Research Division. Click on the section
entitled, "What are Beams, Anyway?" to find out
how a telephone transmits information.
| Unit 2: Electricity and Magnetism |
| p.159 |

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The National Electrical
Safety Foundation
Visit
this site provided by the National Electrical Safety Foundation.
Take the safety quiz and learn more about how to make your
home safe from electrical hazards.
Electricity:
A Convenient form of Energy [Updated linkcoming soon.]
Follow
the link to this site for more information about electricity.
In your Science Journal, list the characteristics of electricity
that make it a useful form of energy.
Earth
& Sky Program Index for 1998
At this site you can listen to a radio show about magnetism.
Click on the link for Sunday, November 15, 1998 to find the
program.
What
is a Magnet? [Updated linkcoming soon.]
Access this site for more information about magnets and how they are used. What is the difference between a permanent and a temporary magnet? How is an electromagnet created?
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