Analogs are used in science investigations to better understand systems we can’t access ourselves. In this lesson, students explore the Dry Valleys of Antarctica to better understand microbial communities on early Earth and what might have been possible on ancient Mars. Students will examine photographs, written descriptions, and artistic renderings of early Earth, the Dry Valley lakes, and
PolarTREC teacher Jacquelyn Hams' expedition is featured in Foundations: the Newsletter of the Geo2YC division of the National Association of Geoscience Teachers.