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: 6th Grade, 7th Grade

This lesson could be a Part II for the 3D modeling atomic theory lesson using Tinkercad, or this lesson can be delivered independently. In this lesson students fill out an atomic theory timeline and