Need a low-prep, high-impact physics lesson for a sub day? “The Glassmaker’s Apprentice” is a creative, story-based sub plan that helps students explore reflection, refraction, and transparency in a way that’s both engaging and easy to teach. This lesson is centered around a short, fictional story that sets the stage for critical thinking and light behavior analysis. It’s a perfect emergency sub plan or supplemental activity in your light and optics unit. ✅ This Resource Includes: Engaging