The Periodic Table of Elements Scaffolded Phenomena-Based Lesson: Violent Hydrogen Gas Detonation and Purple Flame When Metallic Potassium Contacts Cold Liquid Water 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 Scaffolded Phenomena-Based Lesson in the Consumer Chemistry (grades 9–12) chapter The Periodic Table of Elements, built around the phenomenon Violent Hydrogen Gas Detonation and Purple Flame When Metallic Potassium Contacts Cold Liquid Water. 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 Periodic Table of Elements Scaffolded Phenomena-Based Lesson: Violent Hydrogen Gas Detonation and Purple Flame When Metallic Potassium Contacts Cold Liquid Water Teacher Discussion Guide; The Periodic Table of Elements Scaffolded Phenomena-Based Lesson: Violent Hydrogen Gas Detonation and Purple Flame When Metallic Potassium Contacts Cold Liquid Water Student Response Sheet. Original version: The Periodic Table of Elements Phenomena-Based Lesson: Violent Hydrogen Gas Detonation and Purple Flame When Metallic Potassium Contacts Cold Liquid Water Presentation.

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: “Potassium belongs to Group 1, known as the ____________ metals family.”

What's inside: SCAFFOLDED Student Slide Show (editable .pptx + PDF, 16 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.