Volcanism Scaffolded Phenomena-Based Lesson: Catastrophic Lateral Pyroclastic Blast and Debris Avalanche of Mount St. Helens Presentation | Earth & Space Science | 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 high school Earth & Space Science (grades 9–12) chapter Volcanism, built around the phenomenon Catastrophic Lateral Pyroclastic Blast and Debris Avalanche of Mount St. Helens. 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: Volcanism Scaffolded Phenomena-Based Lesson: Catastrophic Lateral Pyroclastic Blast and Debris Avalanche of Mount St. Helens Teacher Discussion Guide; Volcanism Scaffolded Phenomena-Based Lesson: Catastrophic Lateral Pyroclastic Blast and Debris Avalanche of Mount St. Helens Student Response Sheet. Original version: Volcanism Phenomena-Based Lesson: Catastrophic Lateral Pyroclastic Blast and Debris Avalanche of Mount St. Helens 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: “Volcanoes form where molten magma rises through fractures in the Earth's ____________.”

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

Standards: HS-ESS2-1 — Develop a model to illustrate how Earth’s internal and surface processes operate at different spatial and temporal scales to form continental and ocean-floor features. HS-ESS3-1 — Construct an explanation based on evidence for how the availability of natural resources, occurrence of natural hazards, and changes in climate have influenced human activity.

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 Earth & Space Science, 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.