Chemistry of Food & Nutrition Phenomena-Based Lesson: Rapid Rust-Like Surface Browning of Sliced Fresh Apples Completely Prevented by Lemon Juice Presentation | Consumer Chemistry | Grades 9–12
Chemistry of Food & Nutrition Phenomena-Based Lesson: Rapid Rust-Like Surface Browning of Sliced Fresh Apples Completely Prevented by Lemon Juice Presentation | Consumer Chemistry | Grades 9–12
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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 Chemistry of Food & Nutrition, built around the phenomenon Rapid Rust-Like Surface Browning of Sliced Fresh Apples Completely Prevented by Lemon Juice. It is sold separately from the other two parts of the set.
Complete the set: Chemistry of Food & Nutrition Phenomena-Based Lesson: Rapid Rust-Like Surface Browning of Sliced Fresh Apples Completely Prevented by Lemon Juice Teacher Discussion Guide; Chemistry of Food & Nutrition Phenomena-Based Lesson: Rapid Rust-Like Surface Browning of Sliced Fresh Apples Completely Prevented by Lemon Juice Student Response Sheet. Scaffolded version: Chemistry of Food & Nutrition Scaffolded Phenomena-Based Lesson: Rapid Rust-Like Surface Browning of Sliced Fresh Apples Completely Prevented by Lemon Juice 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 exposing an apple's interior to air cause rapid brown pigmentation to develop, and how does lemon juice completely stop this chemical reaction?”
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.