BioEd Online
Bio Ed Online: The Science of Microbes: Microbes Are Everywhere
Middle schoolers learn how to safely work with microbes in petri dishes, and how quickly they can develop into colonies. The lesson and a set of PowerPoint slides can be downloaded. An accompanying instructional video is 10 min. 24 sec.
University of Missouri
Microbes in Action: Classroom Activities: Composting by Microbes
A science experiment to observe how materials decompose over time, By recording the smell, appearance, and movement of materials over three weeks, students will be able to make conclusions about their decompositions. Students will also...
Success Link
Success Link: Microorganisms
Lesson plans to examine bactieria and how they grow. The main lesson page indicates that there are seven training labs, but there are only two operating links. Those two are worth exploring.
Other
Tea: Some Like It Hot, Some Like It Cold Microbial Life
A science lab to determine the optimal temperature for common bacteria to grow. Students will graph their data to analyze and focus on bacteria that live in extreme conditions. To complete this experiment students will perform a gram stain.
ClassFlow
Class Flow: Microorganisms
[Free Registration/Login Required] In this unit children learn that there are many very small organisms called microorganisms which feed, grow and reproduce and which may be harmful or beneficial.
City University of New York
Brooklyn College: Direct Microscopic Counts
Guidelines for an activity through which you, acting as a research assistant for a wine merchant, work to grow a microbe under different conditions.