Acids, Bases, & pH Phenomena-Based Lesson: Chameleon-Like Rainbow Color Transformations of Natural Red Cabbage Pigment Across the Full pH Scale Presentation | Consumer Chemistry | 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 Phenomena-Based Lesson in the Consumer Chemistry (grades 9–12) chapter Acids, Bases, & pH, built around the phenomenon Chameleon-Like Rainbow Color Transformations of Natural Red Cabbage Pigment Across the Full pH Scale. It is sold separately from the other two parts of the set.

Complete the set: Acids, Bases, & pH Phenomena-Based Lesson: Chameleon-Like Rainbow Color Transformations of Natural Red Cabbage Pigment Across the Full pH Scale Teacher Discussion Guide; Acids, Bases, & pH Phenomena-Based Lesson: Chameleon-Like Rainbow Color Transformations of Natural Red Cabbage Pigment Across the Full pH Scale Student Response Sheet. Scaffolded version: Acids, Bases, & pH Scaffolded Phenomena-Based Lesson: Chameleon-Like Rainbow Color Transformations of Natural Red Cabbage Pigment Across the Full pH Scale Presentation.

Sections: NGSS Dimension; Specific Performance Expectation & Dimensional Alignment; Slides; Segment; Focus Activity & Instructional Goal; Anchoring Driving Question (student Sensemaking):; Talk Move Category; Teacher Facilitation Prompt & Sensemaking Strategy. Sample item: “Why does a single natural vegetable extract transform into six completely different colors when mixed with everyday household liquids?”

What's inside: Student Slide Show (editable .pptx + PDF, 22 slides).

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 – 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 Consumer 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.