{
  "entities": [
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      "name": "Physics",
      "type": "Subject"
    },
    {
      "name": "Lower Secondary Education",
      "type": "Education Level"
    },
    {
      "name": "Student",
      "type": "Learner"
    },
    {
      "name": "Thermodynamics",
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    },
    {
      "name": "Temperature",
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    },
    {
      "name": "Heat",
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    },
    {
      "name": "Optics",
      "type": "Topic"
    },
    {
      "name": "Light",
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    },
    {
      "name": "Mechanics",
      "type": "Topic"
    },
    {
      "name": "Force",
      "type": "Concept"
    },
    {
      "name": "Motion",
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    },
    {
      "name": "Work",
      "type": "Concept"
    },
    {
      "name": "Energy",
      "type": "Concept"
    },
    {
      "name": "Electricity",
      "type": "Topic"
    },
    {
      "name": "Magnetism",
      "type": "Topic"
    },
    {
      "name": "Ohm's Law",
      "type": "Law"
    },
    {
      "name": "Electric Current",
      "type": "Concept"
    },
    {
      "name": "Voltage",
      "type": "Concept"
    }
  ],
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      "source": "Physics",
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      "relation": "applies_to"
    },
    {
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    {
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    },
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    },
    {
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    },
    {
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    {
      "source": "Voltage",
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}