The Atmosphere Scaffolded Phenomena-Based Lesson: Seasonal Photochemical Destruction of the Stratospheric Ozone Shield over Antarctica Teacher Discussion Guide | Earth & Space Science | 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 high school Earth & Space Science (grades 9–12) chapter The Atmosphere, built around the phenomenon Seasonal Photochemical Destruction of the Stratospheric Ozone Shield over Antarctica. 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: The Atmosphere Scaffolded Phenomena-Based Lesson: Seasonal Photochemical Destruction of the Stratospheric Ozone Shield over Antarctica Presentation; The Atmosphere Scaffolded Phenomena-Based Lesson: Seasonal Photochemical Destruction of the Stratospheric Ozone Shield over Antarctica Student Response Sheet. Original version: The Atmosphere Phenomena-Based Lesson: Seasonal Photochemical Destruction of the Stratospheric Ozone Shield over Antarctica Teacher Discussion Guide.

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: “Every Austral spring between September and October, stratospheric ozone concentrations over Antarctica plummet by more than sixty percent, creating a continent-sized 'ozone hole'?”

What's inside: SCAFFOLDED Teacher Discussion Guide (editable .docx + PDF, about 1,266 words, 4 pages); answer key / model answers for the teacher.

Standards: HS-ESS2-4 — Use a model to describe how variations in the flow of energy into and out of Earth’s systems result in changes in climate. HS-ESS2-7 — Construct an argument based on evidence about the simultaneous coevolution of Earth’s systems and life on Earth.

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 high school Earth & Space 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.