Solid Modeling & Stress Analysis 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 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. It is sold separately from the other two parts of the set.

Complete the set: Solid Modeling & Stress Analysis Phenomena-Based Lesson: The 'Infinite Stress' Sharp Re-Entrant Corner & The Coarse-Mesh False Pass Presentation; Solid Modeling & Stress Analysis Phenomena-Based Lesson: The 'Infinite Stress' Sharp Re-Entrant Corner & The Coarse-Mesh False Pass Student Response Sheet. Scaffolded version: Solid Modeling & Stress Analysis Scaffolded Phenomena-Based Lesson: The 'Infinite Stress' Sharp Re-Entrant Corner & The Coarse-Mesh False Pass Teacher Discussion Guide.

Sections: Dimension / Standard; Performance Expectation & Practices Alignment; Slides; Segment; Focus Activity & Instructional Goal; Anchoring Driving Question (student Sensemaking):; Teacher Script (read Aloud To Introduce Phenomenon):; Talk Move Category. Sample item: “• Tier 1 Observation: Why did the coarse 15 mm FEA mesh report a safe 180 MPa stress when the real aluminum bracket actually fractured at the sharp 90° internal corner?”

What's inside: Teacher Discussion Guide (editable .docx + PDF, about 2,339 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.