Bacteria: Diversity and Evolution

Activity Summary
Students explore bacterial diversity by swabbing various places in the school and determine which location has the most bacterial colonies. In addition, students investigate the effectiveness of several antibiotics to one another or the degree of antibiotic resistance in a bacterial species.

Grade Levels
9-12

Learning Objectives
1. Explain how the effectiveness of antibiotics is measured
2. Describe how bacteria become resistant to antibiotics
3. Identify places where bacteria can be found

Lesson Materials (view or download)
PowerPoint
Lesson Plan

Keywords
bacteria, antibiotics, zone of inhibition, antibiotic resistance

Last updated: 3/9/2015