Extrude & Revolve Solid Features Phenomena-Based Lesson: Injection-Mold Core Seizure from Zero Draft & Fixed-Extent Boss Puncture Teacher Discussion Guide | Computer Aided Drafting II | 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 Computer Aided Drafting II (grades 9–12) chapter Extrude & Revolve Solid Features, built around the phenomenon Injection-Mold Core Seizure from Zero Draft & Fixed-Extent Boss Puncture. It is sold separately from the other two parts of the set.

Complete the set: Extrude & Revolve Solid Features Phenomena-Based Lesson: Injection-Mold Core Seizure from Zero Draft & Fixed-Extent Boss Puncture Presentation; Extrude & Revolve Solid Features Phenomena-Based Lesson: Injection-Mold Core Seizure from Zero Draft & Fixed-Extent Boss Puncture Student Response Sheet. Scaffolded version: Extrude & Revolve Solid Features Scaffolded Phenomena-Based Lesson: Injection-Mold Core Seizure from Zero Draft & Fixed-Extent Boss Puncture Teacher Discussion Guide.

Sections: Learning Goals; Dimension / Standard; Performance Expectation & Practices Alignment; Slides; Segment; Focus Activity & Instructional Goal; Anchoring Driving Question (student Sensemaking):; Teacher Script (read Aloud To Introduce Phenomenon):. Sample item: “• Tier 1 Observation: Why does a plastic or die-cast metal part extruded with perfectly vertical 0.0° walls get stuck inside a steel mold cavity as it cools?”

What's inside: Teacher Discussion Guide (editable .docx + PDF, about 2,042 words, 8 pages); answer key / model answers for the teacher.

Standards: Aligned to ITEEA Standards for Technological and Engineering Literacy for Computer Aided Drafting II, 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 Computer Aided Drafting II, 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.