section has one page. Click on the pdf icon at left if you do not have
an activity sheet for this section.
A - Variation
here to go to the VARIATION
- What does the graph seem to tell us about the average number of geomagnetic
- Besides the explanation that there are more disturbances, what other
explanation is possible to explain the fact that the number of disturbances
measured is increasing?
B - Cost vs. Cost
here to go to the UNIVERSITY
OF MICHIGAN SOLAR COST site.
- What kinds of problems can be avoided if power companies get early
warnings of coming geomagnetic storms?
here to go to the START-UP
- Why should you turn off your electric appliances whenever there is
a power failure?
C - International Accord
- Explain why the cost of maintaining an early warning system for geomagnetic
storms is justified.
- Why should all industrialized nations work together to set up the