Activity: Is There Really Life on Mars?
http://www.pbs.org/deepspace/classroom/activity7.html

Public Broadcasting Service

This Public Broadcasting Service (PBS) activity explores the controversy over whether or not there is life on Mars. Part of the Mysteries of Deep Space Program that originally aired in April 1997, the activity includes instructional objectives, background information, and discussion/essay questions related to life on Mars. It also features an activity where students can grow microorganisms, examine them under a microscope, and analyze their observations with the aid of follow-up questions.

This resource is referenced here:

• Microbial Life:Topics of Interest:Nanobes and Nanobacteria: Nanobes for Educators

Subject: Biology:Biogeochemistry, Microbiology, Astrobiology, Microbiology:Methods of Microbiology :Culturing Methods
Resource Type: Activities:Lab Activity, Classroom Activity
Grade Level: College Lower (13-14), Middle (6-8), High School (9-12)
Theme: Teach the Earth:Course Topics:BiogeoscienceKeyword: nannobacteria