Fastening & Surface Finishing Scaffolded Phenomena-Based Lesson: The Rusted Bolt Torqued to 100 ft-lbs That Came Loose Anyway & Aluminum Grown Harder Than File Steel Presentation | Manufacturing Systems | Grades 9–12

This 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 Scaffolded Phenomena-Based Lesson in the Manufacturing Systems (grades 9–12) chapter Fastening & Surface Finishing, built around the phenomenon The Rusted Bolt Torqued to 100 ft-lbs That Came Loose Anyway & Aluminum Grown Harder Than File Steel. 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.

Complete the set: Fastening & Surface Finishing Scaffolded Phenomena-Based Lesson: The Rusted Bolt Torqued to 100 ft-lbs That Came Loose Anyway & Aluminum Grown Harder Than File Steel Teacher Discussion Guide; Fastening & Surface Finishing Scaffolded Phenomena-Based Lesson: The Rusted Bolt Torqued to 100 ft-lbs That Came Loose Anyway & Aluminum Grown Harder Than File Steel Student Response Sheet. Original version: Fastening & Surface Finishing Phenomena-Based Lesson: The Rusted Bolt Torqued to 100 ft-lbs That Came Loose Anyway & Aluminum Grown Harder Than File Steel Presentation.

Sections: Section 1: Three-dimensional Learning Alignment (ngss); NGSS Dimension; Scaffolded Three-dimensional Learning Goal; Section 3: Scaffolded Science Talk Moves Matrix; Scaffolded Talk Move; Verbatim Facilitation Prompt & Talk Goal; Everyday Student Misconception (flawed Claim); Scientific Evidence & Intuitive Correction. Sample item: “In a bolted joint, approximately ____________% (90%) of applied torque is lost overcoming friction, leaving only ____________% (10%) to stretch the bolt into clamping preload (T = K · d · F).”

What's inside: SCAFFOLDED Student Slide Show (editable .pptx + PDF, 16 slides).

Standards: Aligned to ITEEA Standards for Technological and Engineering Literacy for Manufacturing Systems, with embedded engineering design practices and career-readiness skills.

Resource type: Phenomena-Based Lesson – Presentation. Format: editable Microsoft PowerPoint file plus a ready-to-print PDF.

Classroom use: Open with the phenomenon slide show, let students record ideas on the response sheet, and lead the discussion with the teacher guide. Built for Manufacturing Systems, grades 9–12.

Format note: 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.