Ecosystem Disruptions & Biodiversity Scaffolded Phenomena-Based Lesson: Trophic Cascades Sparked by Wolf Reintroduction to Yellowstone Presentation | Middle School Life Science | Grades 6–8

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 Middle School Life Science (grades 6–8) chapter Ecosystem Disruptions & Biodiversity, built around the phenomenon Trophic Cascades Sparked by Wolf Reintroduction to Yellowstone. 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: Ecosystem Disruptions & Biodiversity Scaffolded Phenomena-Based Lesson: Trophic Cascades Sparked by Wolf Reintroduction to Yellowstone Teacher Discussion Guide; Ecosystem Disruptions & Biodiversity Scaffolded Phenomena-Based Lesson: Trophic Cascades Sparked by Wolf Reintroduction to Yellowstone Student Response Sheet. Original version: Ecosystem Disruptions & Biodiversity Phenomena-Based Lesson: Trophic Cascades Sparked by Wolf Reintroduction to Yellowstone Presentation.

Sections: Scaffolded Version • Hqim; 60-minute Schedule; Slides & Classroom Actions; Section 1: NGSS Learning Goals; NGSS Dimension; Scaffolded Three-dimensional Learning Goal; Section 2: Phenomenon & Questions; Section 3: Science Talk Moves. Sample item: “When wolves came back, elk ____________.”

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

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

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 Middle School Life Science, grades 6–8.

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.