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: 10th Grade, 11th Grade, 12th Grade

After learning about emission spectra, electron energy levels, orbitals and configurations, and periodic trends for atomic radius and ionization energy; this is concluding activity that require