In this lesson, students will use the Internet to find recent sunspot numbers and sunspot numbers for dates in the past. Students plot 15-year time spans of sunspot data on a line graph and discover the 11-year sunspot cycle over 269 years.
The Sunspot Cycle
| Project: | Aurora Alive |
| Subject: | Aurora |
| Theme: | Matter & Energy |
| Grades: | 5-8 |
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