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: 3rd Grade, 4th Grade, 5th Grade

In this continuation of A Light in the Dark (pt. 2 of 3), students research their questions and consolidate their learning, then determine their next steps in the process to solve the problem.