Aug 202013

River bacteria

Students will examine their preconceived notions about microorganisms.  The intent is to focus on the benefits microorganisms provide in several diverse ecosystems.  In the first part of the lesson students will use petri plates to grow microorganisms from various outdoor habitats.  In the second part of the lesson students research various topics related to microorganisms and present their findings to the class.

At the conclusion of the lesson, students will be able to:

  • Describe the role of microbes in ecosystems
  • Describe symbiotic relationships between microorganisms and other organisms
  • Describe how microorganisms can change biotic and abiotic components of an ecosystem


  • Lesson plan
  • Lesson plan includes links to other resources

Lesson Plan created by GK-12  Fellows