In this lab, students learn how to select for protein-digesting bacteria from various soil samples. After isolating the colonies, students are then encouraged to investigate ways to test the effectiveness of their specimens in breaking down protein stains on clothing.

View Lesson
Discipline
Physical Sciences
Grade Level
9-12
Lesson Area
Soil Biology
Lesson Type
Lab Experiment
Lesson Keywords
Bacteria
Organisms
Decomposition
Protein
Soil Biology

Next Generation Science Standards

Grade Discipline Core Idea
9-12 PS1.B: Chemical reactions

Chemical processes are understood in terms of collisions of molecules, rearrangement of atoms, and changes in energy as determined by properties of elements involved.