π¦ Save with the Circuits Unit Bundle: Get every circuits resource I sell β quizzes, slide decks, labs, crosswords, warmups, the test, and the escape room β bundled for $59.25. Get the High School Physics Electrical Circuits Unit Bundle β β NGSS aligned for Grades 9-12β Answer keys included for every assignment, quiz, and test One bulb. One wire. One battery. Can your students make it light up? Most cannot on their first try β and the productive struggle is the point. Part 1: Light Bulb Challenge β students figure out how to light a bulb with zero instructions. Part 2: Holiday Lights β students wire bulbs in series and parallel and compare brightness. What's Included: β’ Student worksheet with both parts β’ Lab instructions with materials list β’ Activity slides with challenge prompt, solution, and bulb anatomy (PowerPoint) β’ Teacher notes with answer key and pacing guide β’ Print-ready digital resource + editable Word + PowerPoint formats Cheap materials. Zero prior knowledge required. Designed for Grades 9-12 physics. 30-45 minutes. π¦ Get the complete Circuits unit This resource is part of the Circuits Unit Bundle β all lessons, labs, assessments, and review materials for the full unit. View the Circuits Unit Bundle β