Free Lessons

Welcome to Laser Classroom’s Free Light, Laser and Optics Experiments!! Everything here illuminates the naturally STEM integrated topics of light, lasers and optics with step by step instructions for engaging your students. The free downloadable lessons on this page bring abstract concepts into focus and introduce the amazing science, technology, engineering and math of the basics like reflection, refraction and diffraction as well as applications like spectroscopy, invisibility and energy.

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