This assignment is out of this world! It is an online worksheet about sunspots and solar cycles, a sort of WebQuest if you will. Links to two NASA websites and spaceweather.com are written into the questions so that your aspiring...

Students study classification schemes for identifying sunspots. They distinguish between sunspot unbrae and penunbrae, measure sunspots, and compare them to the size of the Earth. They complete a worksheet showing classification of...

Students make a graph that shows how the number of sunspots has changed over the past 30 years and discover how there is a pattern in sunspot number. They find a disruption in this pattern due to the Little Ice Age.

Students discover that sunspots are the result of intense magnetic forces on the photosphere of the sun by observing images from the SOHO satellite.