Bacteria and Microorganisms Scaffolded Phenomena-Based Lesson: Symbiotic Nitrogen-Fixing Rhizobia in Legume Root Nodules Presentation | Environmental Science | 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 high school Environmental Science (grades 9–12) chapter Bacteria and Microorganisms, built around the phenomenon Symbiotic Nitrogen-Fixing Rhizobia in Legume Root Nodules. 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: Bacteria and Microorganisms Scaffolded Phenomena-Based Lesson: Symbiotic Nitrogen-Fixing Rhizobia in Legume Root Nodules Teacher Discussion Guide; Bacteria and Microorganisms Scaffolded Phenomena-Based Lesson: Symbiotic Nitrogen-Fixing Rhizobia in Legume Root Nodules Student Response Sheet. Original version: Bacteria and Microorganisms Phenomena-Based Lesson: Symbiotic Nitrogen-Fixing Rhizobia in Legume Root Nodules Presentation.

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; Everyday Student Misconception (flawed Claim); Scientific Evidence & Intuitive Correction. Sample item: “Although Earth's atmosphere is seventy-eight percent nitrogen gas, plants cannot absorb or use atmospheric nitrogen?”

What's inside: SCAFFOLDED Student Slide Show (editable .pptx + PDF, 16 slides).

Standards: HS-LS2-2 — Use mathematical representations to support and revise explanations based on evidence about factors affecting biodiversity and populations in ecosystems of different scales.

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 high school Environmental Science, 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.