hook

name	hook
description	Generate ONE anticipatory set or engagement hook for a lesson objective. Use this atom when lesson-planner needs a compelling opening that draws students into the topic. Do NOT use for warm-ups (use atom-warm-up) or full lessons.

hook

Creates a single engagement hook (question, scenario, demo, visual, story opener) designed to spark curiosity and connect to the lesson's learning objective.

Input

{
  "objective": "Students will explain how volcanoes form at tectonic plate boundaries.",
  "grade": "6",
  "subject": "Science",
  "hook_type": "scenario"
}

Output

{
  "tool": "hook",
  "hook": {
    "type": "scenario",
    "text": "Imagine you are a geologist who just received an urgent call: a new island appeared in the Pacific Ocean overnight. Your job is to figure out how it got there. What questions would you ask first?",
    "follow_up_prompt": "What forces under the Earth could push rock above the ocean surface?",
    "connection_to_objective": "Sets up inquiry into plate tectonics and volcanic formation"
  },
  "human_review_required": true
}

Do NOT use this atom for

• Warm-up / bell-ringer activities (use atom-warm-up)
• Full lesson planning (use lesson-planner)
• Assessment or evaluation hooks

Pipeline note

Follows references/method.md at the Generation step (engagement design). Output conforms to protocol-layer/metadata-schema.md. human_review_required: true — teacher should adapt the hook to their class context.