Democritus | Atom TheoryScientist Profile + Quiz | PDF + H5P | Chemistry Sub PlanBring ancient science to life with this interactive mini-unit on Democritus, the philosopher who introduced the idea of atoms! Perfect for chemistry lessons, history of science, or sub plans – no specialist knowledge required. This differentiated resource includes printable and digital formats (PDF + H5P) and is ideal for grades 7–10. Students explore key facts, build a scientist profile, and complete quiz task