Heat Pump Reversing Valves & Controls Phenomena-Based Lesson: The Heat Pump That Blew Cold in Defrost: A January Call at Juniper Street 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 Heat Pump Reversing Valves & Controls, built around the phenomenon The Heat Pump That Blew Cold in Defrost: A January Call at Juniper Street. It is sold separately from the other two parts of the set.

Complete the set: Heat Pump Reversing Valves & Controls Phenomena-Based Lesson: The Heat Pump That Blew Cold in Defrost: A January Call at Juniper Street Teacher Discussion Guide; Heat Pump Reversing Valves & Controls Phenomena-Based Lesson: The Heat Pump That Blew Cold in Defrost: A January Call at Juniper Street Student Response Sheet. Scaffolded version: Heat Pump Reversing Valves & Controls Scaffolded Phenomena-Based Lesson: The Heat Pump That Blew Cold in Defrost: A January Call at Juniper Street Presentation.

Sections: Standards Alignment; Learning Goals; Teacher Talk Moves; Misconceptions To Surface; Word Bank; Teacher Key - The Record Worked; The Record; Word Bank. Sample item: “1. Walk the January 12 defrost minute by minute. Which board outputs worked exactly as designed, and which two things went wrong?”

What's inside: Student Slide Show (editable .pptx + PDF, 11 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.