Grade Range
2nd-8th
Active Time
20 minutes
Total Time
40 minutes
Credits

Overview

Eclipse

"The Plane of the Ecliptic" © 2017 NASA

Because of the different amounts of time it take for Mars and the Earth to each orbit the sun, it sometimes may look like Mars is traveling backwards. In this interactive lesson, students will learn what "retrograde" and "opposition" means in astronomy while modeling this phenomenon.

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Grade Range
2nd-8th
Active Time
20 minutes
Total Time
40 minutes
Credits
Free science fair projects.