Solubility Equilibria Scaffolded Phenomena-Based Lesson: Centuries-Long Mineral Accretion of Subterranean Limestone Cave Stalactites Teacher Discussion Guide | Chemistry II | 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 Chemistry II (grades 9–12) chapter Solubility Equilibria, built around the phenomenon Centuries-Long Mineral Accretion of Subterranean Limestone Cave Stalactites. 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: Solubility Equilibria Scaffolded Phenomena-Based Lesson: Centuries-Long Mineral Accretion of Subterranean Limestone Cave Stalactites Presentation; Solubility Equilibria Scaffolded Phenomena-Based Lesson: Centuries-Long Mineral Accretion of Subterranean Limestone Cave Stalactites Student Response Sheet. Original version: Solubility Equilibria Phenomena-Based Lesson: Centuries-Long Mineral Accretion of Subterranean Limestone Cave Stalactites 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: “Groundwater dissolves limestone rock because it contains dissolved ____________ gas.”

What's inside: SCAFFOLDED Teacher Discussion Guide (editable .docx + PDF, about 1,385 words, 4 pages); answer key / model answers for the teacher.

Standards: NGSS High School Physical Science (HS-PS) 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 Chemistry II, 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.