Covalent Bonding & Molecular Geometry Scaffolded Phenomena-Based Lesson: The 104.5° Bent Angle of Water Enabling Ice to Float on Lakes Presentation | Chemistry | Grades 9–12
Covalent Bonding & Molecular Geometry Scaffolded Phenomena-Based Lesson: The 104.5° Bent Angle of Water Enabling Ice to Float on Lakes Presentation | 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 Scaffolded Phenomena-Based Lesson in the high school Chemistry (grades 9–12) chapter Covalent Bonding & Molecular Geometry, built around the phenomenon The 104.5° Bent Angle of Water Enabling Ice to Float on Lakes. 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: Covalent Bonding & Molecular Geometry Scaffolded Phenomena-Based Lesson: The 104.5° Bent Angle of Water Enabling Ice to Float on Lakes Teacher Discussion Guide; Covalent Bonding & Molecular Geometry Scaffolded Phenomena-Based Lesson: The 104.5° Bent Angle of Water Enabling Ice to Float on Lakes Student Response Sheet. Original version: Covalent Bonding & Molecular Geometry Phenomena-Based Lesson: The 104.5° Bent Angle of Water Enabling Ice to Float on Lakes 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: “Water is bent because oxygen has two ____________.”
What's inside: SCAFFOLDED Student Slide Show (editable .pptx + PDF, 16 slides).
Standards: HS-PS1-3 — Plan and conduct an investigation to gather evidence to compare the structure of substances at the bulk scale to infer the strength of electrical forces between particles. HS-PS2-6 — Communicate scientific and technical information about why the molecular-level structure is important in the functioning of designed materials.
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 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.