Acid-Base Chemistry & the pH Scale Phenomena-Based Lesson: The Hyper-Acidic Turquoise Waters of Kawah Ijen's Crater Lake Teacher Discussion Guide | Chemistry | 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 Phenomena-Based Lesson in the high school Chemistry (grades 9–12) chapter Acid-Base Chemistry & the pH Scale, built around the phenomenon The Hyper-Acidic Turquoise Waters of Kawah Ijen's Crater Lake. It is sold separately from the other two parts of the set.

Complete the set: Acid-Base Chemistry & the pH Scale Phenomena-Based Lesson: The Hyper-Acidic Turquoise Waters of Kawah Ijen's Crater Lake Presentation; Acid-Base Chemistry & the pH Scale Phenomena-Based Lesson: The Hyper-Acidic Turquoise Waters of Kawah Ijen's Crater Lake Student Response Sheet. Scaffolded version: Acid-Base Chemistry & the pH Scale Scaffolded Phenomena-Based Lesson: The Hyper-Acidic Turquoise Waters of Kawah Ijen's Crater Lake Teacher Discussion Guide.

Sections: Section 1: Three-dimensional Learning Alignment (ngss); NGSS Dimension; Aligned Three-dimensional Learning Goal; Section 2: Anchoring Phenomenon & Driving Inquiry; Section 3: Productive Science Talk Moves Matrix; Talk Move Category; Verbatim Facilitation Prompt & Goal; Section 5: Student Misconceptions & Scientific Corrections. Sample item: “How does the logarithmic pH scale quantify acid-base dissociation in extreme environments?”

What's inside: Teacher Discussion Guide (editable .docx + PDF, about 1,216 words, 4 pages); answer key / model answers for the teacher.

Standards: HS-PS1-2 — Construct and revise an explanation for the outcome of a simple chemical reaction based on the outermost electron states of atoms, trends in the periodic table, and knowledge of the patterns of chemical properties. HS-PS1-6 — Refine the design of a chemical system by specifying a change in conditions that would produce increased amounts of products at equilibrium.

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 Chemistry, 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.