A student looking in a microscope, very scientifically

STEM Lesson Plans

Search our growing library of STEM lesson plans. Arizona teachers are contributing their best STEM lesson plans to an archive that is aligned with Arizona Academic Standards. This repository is provided free of charge through a collaboration with the Arizona Educational Foundation.

Grades: 9th Grade, 10th Grade, 11th Grade, 12th Grade

This lesson introduces the students to what are antibiotics, how they work, and why they are important. At the same time, it also talks about how an organism becomes antibiotic resistant. The students