Polymer Classification in Consumer Goods: Resin Identification Codes, Thermal Phase Transitions, and Mechanical Recycling Limits CER Phenomena Worksheet | Consumer Chemistry | Grades 9–12

Polymer Classification in Consumer Goods: Resin Identification Codes, Thermal Phase Transitions, and Mechanical Recycling Limits CER Phenomena Worksheet is a Claim-Evidence-Reasoning phenomena worksheet for Consumer Chemistry (grades 9–12) on Polymer Classification in Consumer Goods: Resin Identification Codes, Thermal Phase Transitions, and Mechanical Recycling Limits.

Sections: National Teaching Standard & Investigation Objective; Investigation Evidence Dossier (documents 1–5); Document-based Scientific Writing Prompt (dbq); Student CER Writing Response Section; 4-point Analytic CER Scoring Rubric; 1. Exemplary Model Thesis / Claim:; 2. Designated Evidence Points From Documents:; 3. Comprehensive Scientific Reasoning:. Sample item: “Teacher: _______________________”

What's inside: Polymer Classification in Consumer Goods: Resin Identification Codes, Thermal Phase Transitions, and Mechanical Recycling Limits CER Worksheet (editable .docx + PDF, about 1,290 words, 6 pages); answer key / model answers for the teacher.

Standards: NGSS High School Physical Science (HS-PS) disciplinary core ideas and the science practices of analyzing data and constructing explanations.

Resource type: CER Phenomena Worksheet. Format: editable Microsoft Word file plus a ready-to-print PDF.

Classroom use: Students read the case, analyze the data, and write a CER argument; a model answer and scoring guide are included. 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.