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: 4th Grade

With this lesson, students learn how to do simple macroinvertebrates sampling and identification using common resources to determine the environmental health status of perennial streams in Arizona