[
  {
    "chapter_id": "uuid_chapter_10_grade4",
    "lesson_number": 1,
    "lesson_title": "Lesson 1: Frog Life Cycle",
    "lesson_type": "json_content",
    "lesson_description": "Identify frog life cycle and understand a short story",
    "lesson_content_type": "vocabulary",
    "content_json": {
      "type": "vocabulary",
      "learning_objectives": [
        "identify frog life cycle",
        "understand a short story"
      ],
      "vocabulary": ["egg", "tadpole", "tadpole with legs", "froglet", "mature frog"]
    }
  },
  {
    "chapter_id": "uuid_chapter_10_grade4",
    "lesson_number": 2,
    "lesson_title": "Lesson 2: Using Is/Was",
    "lesson_type": "json_content",
    "lesson_description": "Use is/was in sentences about life cycles",
    "lesson_content_type": "grammar",
    "content_json": {
      "type": "grammar",
      "learning_objectives": [
        "identify frog life cycle",
        "review adjectives",
        "use is/was in sentences"
      ],
      "grammar": "A frog was a tadpole before."
    }
  },
  {
    "chapter_id": "uuid_chapter_10_grade4",
    "lesson_number": 3,
    "lesson_title": "Lesson 3: Exam Preparation",
    "lesson_type": "json_content",
    "lesson_description": "Review previous lessons",
    "lesson_content_type": "review",
    "content_json": {
      "type": "review",
      "learning_objectives": [
        "review previous lessons",
        "listen for specific information"
      ]
    }
  }
]