Solid Modeling & Stress Analysis Scaffolded Phenomena-Based Lesson: The 'Infinite Stress' Sharp Re-Entrant Corner & The Coarse-Mesh False Pass Teacher Discussion Guide | Engineering Design | Grades 9–12

This is the teacher discussion guide, with lesson flow, facilitation questions, anticipated student ideas and model explanations for leading the class discussion for the Scaffolded Phenomena-Based Lesson in the Engineering Design (grades 9–12) chapter Solid Modeling & Stress Analysis, built around the phenomenon The 'Infinite Stress' Sharp Re-Entrant Corner & The Coarse-Mesh False Pass. 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: Solid Modeling & Stress Analysis Scaffolded Phenomena-Based Lesson: The 'Infinite Stress' Sharp Re-Entrant Corner & The Coarse-Mesh False Pass Presentation; Solid Modeling & Stress Analysis Scaffolded Phenomena-Based Lesson: The 'Infinite Stress' Sharp Re-Entrant Corner & The Coarse-Mesh False Pass Student Response Sheet. Original version: Solid Modeling & Stress Analysis Phenomena-Based Lesson: The 'Infinite Stress' Sharp Re-Entrant Corner & The Coarse-Mesh False Pass Teacher Discussion Guide.

Sections: Dimension / Standard; What It Means In Plain Words; Slides; Segment; Focus; Plain Meaning; Talk Move; Prompt To Say. Sample item: “In simple words: Why does a coarse mesh hide stress? Why do sharp corners break real parts and break the math too? How do fillets, a mesh check (< 2%), FoS, and topology cuts prove a part is safe?”

What's inside: SCAFFOLDED Teacher Discussion Guide (editable .docx + PDF, about 2,763 words, 9 pages); answer key / model answers for the teacher.

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

Resource type: Phenomena-Based Lesson – Teacher Discussion Guide. Format: editable Microsoft Word 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 Engineering Design, 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.