Metal Fabrication & Welded Repairs Scaffolded Phenomena-Based Lesson: The Swiss-Cheese Porosity Weld, The Banana-Warped Gate Frame, & The Ground-Flush Fillet Failure Presentation | Engineering Projects | 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 Engineering Projects (grades 9–12) chapter Metal Fabrication & Welded Repairs, built around the phenomenon The Swiss-Cheese Porosity Weld, The Banana-Warped Gate Frame, & The Ground-Flush Fillet Failure. 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: Metal Fabrication & Welded Repairs Scaffolded Phenomena-Based Lesson: The Swiss-Cheese Porosity Weld, The Banana-Warped Gate Frame, & The Ground-Flush Fillet Failure Teacher Discussion Guide; Metal Fabrication & Welded Repairs Scaffolded Phenomena-Based Lesson: The Swiss-Cheese Porosity Weld, The Banana-Warped Gate Frame, & The Ground-Flush Fillet Failure Student Response Sheet.

Sections: Section 1: Standards & Learning Goals; Section 3: Scaffolded Science Talk Moves; Section 6: Word Bank; Section 7: Helping Struggling Learners; Unit 4: Metalworking, Campus Signage, & Project Handover; Metal Fabrication & Welded Repairs; Central Investigation Prompt:; Teacher Scoring Rubric. Sample item: “• Why does a shop fan, set up just to cool the welder, ruin the weld bead?”

What's inside: SCAFFOLDED Student Slide Show (editable .pptx + PDF, 18 slides).

Standards: Aligned to ITEEA Standards for Technological and Engineering Literacy for Engineering Projects, 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 Engineering Projects, 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.