{"product_id":"hs-intro-tech-engineering-gear-trains-and-torque-ratios-scaffolded-phenomena-based-lesson-presentation","title":"Gear Trains \u0026 Torque Ratios Scaffolded Phenomena-Based Lesson: The Smoking Stalled Winch Motor. The Cancelled Idler Gear \u0026 The Self-Locking Worm Elevator Presentation | Introduction to Technology and Engineering | Grades 9–12","description":"\u003cp\u003eThis is the student-facing slide presentation that introduces the phenomenon, walks the class through observations and driving questions, and frames the evidence students will use for the \u003cstrong\u003eScaffolded Phenomena-Based Lesson\u003c\/strong\u003e in the Introduction to Technology and Engineering (grades 9–12) chapter \u003cstrong\u003eGear Trains \u0026amp; Torque Ratios\u003c\/strong\u003e, built around the phenomenon \u003cstrong\u003eThe Smoking Stalled Winch Motor. The Cancelled Idler Gear \u0026amp; The Self-Locking Worm Elevator\u003c\/strong\u003e. This scaffolded version adds sentence frames and extra supports for students who need them. It is sold separately from the other two parts of the set.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eComplete the set:\u003c\/strong\u003e \u003ca href=\"\/products\/hs-intro-tech-engineering-gear-trains-and-torque-ratios-scaffolded-phenomena-based-lesson-discussion-guide\"\u003eGear Trains \u0026amp; Torque Ratios Scaffolded Phenomena-Based Lesson: The Smoking Stalled Winch Motor. The Cancelled Idler Gear \u0026amp; The Self-Locking Worm Elevator Teacher Discussion Guide\u003c\/a\u003e; \u003ca href=\"\/products\/hs-intro-tech-engineering-gear-trains-and-torque-ratios-scaffolded-phenomena-based-lesson-student-response-sheet\"\u003eGear Trains \u0026amp; Torque Ratios Scaffolded Phenomena-Based Lesson: The Smoking Stalled Winch Motor. The Cancelled Idler Gear \u0026amp; The Self-Locking Worm Elevator Student Response Sheet\u003c\/a\u003e. \u003cstrong\u003eOriginal version:\u003c\/strong\u003e \u003ca href=\"\/products\/hs-intro-tech-engineering-gear-trains-and-torque-ratios-phenomena-based-lesson-presentation\"\u003eGear Trains \u0026amp; Torque Ratios Phenomena-Based Lesson: The Smoking Stalled Winch Motor, The Cancelled Idler Gear \u0026amp; The Self-Locking Worm Elevator Presentation\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSections:\u003c\/strong\u003e Section 1: Three-dimensional Learning Alignment (ngss); NGSS Dimension; Scaffolded Three-dimensional Learning Goal; Learning Goals; Section 3: Scaffolded Science Talk Moves Matrix; Scaffolded Talk Move; Verbatim Facilitation Prompt \u0026amp; Talk Goal; Everyday Student Misconception (flawed Claim). \u003cstrong\u003eSample item:\u003c\/strong\u003e “Question 3: Why can a heavy load easily back-drive a spur gear train when power is cut. Whereas a Worm Gear Drive is mechanically self-locking (anti-backdrive)?”\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's inside:\u003c\/strong\u003e SCAFFOLDED Student Slide Show (editable .pptx + PDF, 17 slides).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eStandards:\u003c\/strong\u003e Aligned to ITEEA Standards for Technological and Engineering Literacy for Introduction to Technology and Engineering, with embedded engineering design practices and career-readiness skills.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eResource type:\u003c\/strong\u003e Phenomena-Based Lesson – Presentation. \u003cstrong\u003eFormat:\u003c\/strong\u003e editable Microsoft PowerPoint file plus a ready-to-print PDF.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eClassroom use:\u003c\/strong\u003e Open with the phenomenon slide show, let students record ideas on the response sheet, and lead the discussion with the teacher guide. Built for Introduction to Technology and Engineering, grades 9–12.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFormat note:\u003c\/strong\u003e These files are delivered in Microsoft Office formats (Word and\/or PowerPoint). If you open a worksheet that includes tables in Apple Pages or another non-Microsoft app, table formatting may not display correctly. For best results, use Microsoft Word or PowerPoint (or upload the file to Google Docs). If you run into any formatting issues, contact us and we can send a PDF version.\u003c\/p\u003e","brand":"Waypoint Teaching","offers":[{"title":"Default Title","offer_id":67959488938283,"sku":null,"price":5.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1020\/4836\/6891\/files\/hs-intro-tech-engineering-gear-trains-and-torque-ratios-scaffolded-phenomena-based-lesson-presentation-cover-v2.jpg?v=1793446078","url":"https:\/\/waypointteaching.com\/products\/hs-intro-tech-engineering-gear-trains-and-torque-ratios-scaffolded-phenomena-based-lesson-presentation","provider":"Waypoint Teaching","version":"1.0","type":"link"}