Environmental Regulations & Refrigerant Safety Phenomena-Based Lesson: The Cooler That Ate 26 Pounds at Cedar Fork Market Presentation | HVAC-R | 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 Phenomena-Based Lesson in the HVAC-R (grades 9–12) chapter Environmental Regulations & Refrigerant Safety, built around the phenomenon The Cooler That Ate 26 Pounds at Cedar Fork Market. It is sold separately from the other two parts of the set.

Complete the set: Environmental Regulations & Refrigerant Safety Phenomena-Based Lesson: The Cooler That Ate 26 Pounds at Cedar Fork Market Teacher Discussion Guide; Environmental Regulations & Refrigerant Safety Phenomena-Based Lesson: The Cooler That Ate 26 Pounds at Cedar Fork Market Student Response Sheet.

Sections: Standards Alignment; Learning Goals; The Case - Read First; The Record - Dated Observations; How To Run The Discussion; Talk Moves For The Teacher; The Record; Word Bank. Sample item: “1. September 18, 2025 and January 22, 2026: total the R-22 added on each date and the running total. Did either visit, on its own, break anything - and what did the shop fail to start tracking?”

What's inside: Student Slide Show (editable .pptx + PDF, 10 slides).

Standards: Aligned to Career & Technical Education (CTE) program-of-study competencies for Architecture & Construction — heating, ventilation, air conditioning and refrigeration, with embedded academic literacy 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 HVAC-R, 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.