Timber Volume Estimation Scaffolded Phenomena-Based Lesson: Two Rules, One Load: The Kreider Tract Logs Presentation | Forestry | 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 Forestry (grades 9–12) chapter Timber Volume Estimation, built around the phenomenon Two Rules, One Load: The Kreider Tract Logs. 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.

• What's inside: SCAFFOLDED Student Slide Show (editable .pptx + PDF, 12 slides).
• 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 Forestry, grades 9–12.

Sample question“1. Work Log 1 and Log 6 with both rules. Use the September 12 list. Where does the Doyle gap come from on each log? Why is the gap, as a share, much bigger on Log 1?”

Complete the set: Timber Volume Estimation Scaffolded Phenomena-Based Lesson: Two Rules, One Load: The Kreider Tract Logs Teacher Discussion Guide; Timber Volume Estimation Scaffolded Phenomena-Based Lesson: Two Rules, One Load: The Kreider Tract Logs Student Response Sheet. Original version: Timber Volume Estimation Phenomena-Based Lesson: Two Rules, One Load: The Kreider Tract Logs Presentation.