Precision Measurement & Tolerances Scaffolded Phenomena-Based Lesson: The 0.003-Inch Caliper Squeeze Error. The Liquid-Nitrogen Shrink Fit & The +57% GD&T Bonus Presentation | Introduction to Technology and Engineering | 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 Introduction to Technology and Engineering (grades 9–12) chapter Precision Measurement & Tolerances, built around the phenomenon The 0.003-Inch Caliper Squeeze Error. The Liquid-Nitrogen Shrink Fit & The +57% GD&T Bonus. 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: Precision Measurement & Tolerances Scaffolded Phenomena-Based Lesson: The 0.003-Inch Caliper Squeeze Error. The Liquid-Nitrogen Shrink Fit & The +57% GD&T Bonus Teacher Discussion Guide; Precision Measurement & Tolerances Scaffolded Phenomena-Based Lesson: The 0.003-Inch Caliper Squeeze Error. The Liquid-Nitrogen Shrink Fit & The +57% GD&T Bonus Student Response Sheet.

Sections: Section 1: Three-dimensional Learning Alignment (ngss); NGSS Dimension; Scaffolded Three-dimensional Learning Goal; Learning Goals; Section 3: Scaffolded Science Talk Moves Matrix; Scaffolded Talk Move; Verbatim Facilitation Prompt & Talk Goal; Everyday Student Misconception (flawed Claim). Sample item: “A 40-TPI Vernier Micrometer advances 0.025" for each revolution to settle 0.0001". Using a Ratchet Stop to remove ____________ error.”

What's inside: SCAFFOLDED Student Slide Show (editable .pptx + PDF, 17 slides).

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