Analog vs. Digital Signals in Technology Scaffolded Phenomena-Based Lesson: Why Does a Record Crackle? Teacher Discussion Guide | Middle School Physical Science | Grades 6–8
Analog vs. Digital Signals in Technology Scaffolded Phenomena-Based Lesson: Why Does a Record Crackle? Teacher Discussion Guide | Middle School Physical Science | Grades 6–8
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This is the teacher discussion guide, with lesson flow, facilitation questions, anticipated student ideas and model explanations for leading the class discussion for the Scaffolded Phenomena-Based Lesson in the Middle School Physical Science (grades 6–8) chapter Analog vs. Digital Signals in Technology, built around the phenomenon Why Does a Record Crackle?. 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: Analog vs. Digital Signals in Technology Scaffolded Phenomena-Based Lesson: Why Does a Record Crackle? Presentation; Analog vs. Digital Signals in Technology Scaffolded Phenomena-Based Lesson: Why Does a Record Crackle? Student Response Sheet. Original version: Analog vs. Digital Signals in Technology Phenomena-Based Lesson: Why Does a Scratched Record Crackle, but a Stream Stays Clear? Teacher Discussion Guide.
Sections: Part 1: Science Goals For Today; NGSS Part; What Students Do Today; Part 2: Central Mystery And The Question; Part 3: Class Talk Prompts; Talk Move; What To Ask; Common Guess. Sample item: “Why does the digital song sound better?”
What's inside: SCAFFOLDED Teacher Discussion Guide (editable .doc + PDF, about 948 words, 3 pages); answer key / model answers for the teacher.
Standards: NGSS Middle School Physical Science (MS-PS) disciplinary core ideas and the science practices of analyzing data and constructing explanations.
Resource type: Phenomena-Based Lesson – Teacher Discussion Guide. Format: editable Microsoft Word 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 Middle School Physical Science, grades 6–8.
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.