Growing Media & Soil-less Systems Scaffolded Phenomena-Based Lesson: The Cation Exchange and Aerated Root Oxygenation Paradox Teacher Discussion Guide | Plant & Animal Bioscience | 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 Plant & Animal Bioscience (grades 9–12) chapter Growing Media & Soil-less Systems, built around the phenomenon The Cation Exchange and Aerated Root Oxygenation Paradox. 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: Growing Media & Soil-less Systems Scaffolded Phenomena-Based Lesson: The Cation Exchange and Aerated Root Oxygenation Paradox Presentation; Growing Media & Soil-less Systems Scaffolded Phenomena-Based Lesson: The Cation Exchange and Aerated Root Oxygenation Paradox Student Response Sheet.

Sections: Section 1: Three-dimensional Learning Alignment (ngss); NGSS Dimension; Scaffolded Three-dimensional Learning Goal; Section 3: Scaffolded Science Talk Moves Matrix; Scaffolded Talk Move; Verbatim Facilitation Prompt & Talk Goal; Orienting; Reasoning. Sample item: “Why does eliminating terrestrial soil allow crops to thrive with phenomenal growth, while simultaneously placing plants on a razor edge of survival requiring constant artificial aeration and pH buffer”

What's inside: SCAFFOLDED Teacher Discussion Guide (editable .docx + PDF, about 1,351 words, 4 pages); answer key / model answers for the teacher.

Standards: NGSS High School Life Science (HS-LS) disciplinary core ideas and the science practices of analyzing data and constructing explanations.

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 Plant & Animal Bioscience, 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.