Hydraulic Robotic Arm Fabrication Scaffolded Phenomena-Based Lesson: The Spongy Drooping Shoulder Joint & The 15-Degree Linkage Bind 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 Hydraulic Robotic Arm Fabrication, built around the phenomenon The Spongy Drooping Shoulder Joint & The 15-Degree Linkage Bind. 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: Hydraulic Robotic Arm Fabrication Scaffolded Phenomena-Based Lesson: The Spongy Drooping Shoulder Joint & The 15-Degree Linkage Bind Presentation; Hydraulic Robotic Arm Fabrication Scaffolded Phenomena-Based Lesson: The Spongy Drooping Shoulder Joint & The 15-Degree Linkage Bind Student Response Sheet. Original version: Hydraulic Robotic Arm Fabrication Phenomena-Based Lesson: The Spongy Drooping Shoulder Joint & The 15-Degree Linkage Bind Teacher Discussion Guide.

Sections: Dimension / Standard; What It Means In Plain Words; Slides; Segment; Focus; Plain Meaning; Talk Move; Prompt To Say. Sample item: “One 2.5 mL air bubble sat in Team A's water-filled tube. Why did the shoulder joint feel spongy and droop under load, in place of locking stiff?”

What's inside: SCAFFOLDED Teacher Discussion Guide (editable .docx + PDF, about 2,901 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.