Introduction: Master the Exam, Master the Subject

Welcome! If you have ever felt like you knew the material but didn't get the grade you expected, this chapter is for you. In IB Geography, how you write is just as important as what you know. We are going to break down the "secret code" of the exam: command terms, the structure of extended responses (essays), and how to use case studies to prove your points. Master these, and you will be able to show the examiner exactly what they are looking for.

1. Understanding Command Terms

Command terms are the "instruction words" at the start of every exam question. They tell you exactly what level of detail you need to provide. The IB categorizes these into four Assessment Objectives (AOs).

AO1: Knowledge and Understanding (The Basics)

These terms ask you to recall facts or definitions. They are usually worth fewer marks.

  • Define: Give the precise meaning of a word or concept.
  • State: Give a specific name or value without explanation.
  • Outline: Give a brief account or summary.
  • Identify: Provide an answer from a number of possibilities.
  • Describe: Give a detailed account of a process or pattern.

AO2: Application and Analysis (Connecting the Dots)

These terms ask you to explain why or how something is happening.

  • Explain: Give reasons or causes. Don't just say what happened; say why.
  • Analyse: Break down a concept or process into its essential parts to show how they relate.
  • Suggest: Propose a solution, hypothesis, or explanation.

AO3: Synthesis and Evaluation (The "Big Thinker" Terms)

These are the highest-level terms, usually found in 10, 12, or 16-mark questions. They require a balanced argument.

  • Discuss: Offer a balanced review including different arguments or factors. Your conclusion must be supported by evidence.
  • Evaluate: Make a judgment by weighing up the strengths and limitations.
  • Examine: Look at an argument or concept in a way that uncovers its assumptions and interrelationships.
  • To what extent: Consider the merits or otherwise of an argument. You must decide how much you agree with a statement (e.g., "To a large extent" or "Only to a limited extent").
  • Compare and Contrast: Compare means looking for similarities; Contrast means looking for differences. If the question says "Compare and Contrast," you must do both!

AO4: Selection and Use of Skills

  • Label/Annotate: Add brief notes or explanations to a diagram or map.
  • Construct/Draw: Present information in a visual form (like a graph or map), ensuring it is accurate and to scale where needed.

Quick Tip: Always underline the command term as soon as you read the question. It’s your "marching orders" for the response!


2. Extended Responses: Planning for Success

Extended responses (essays) appear in several parts of your exam papers. They are marked using markbands, which look at your knowledge (AO1/AO2), your ability to argue (AO3), and your use of structure and terminology (AO4).

Where will you write essays?

  • Paper 1 (Options): One 10-mark question for each option you study.
  • Paper 2 (Core): One 10-mark question in Section C (you choose one from two options).
  • Paper 3 (HL Extension): Three questions, each split into Part A (12 marks) and Part B (16 marks).

The "Best-Fit" Approach

Examiners don't just count points in essays. They use a best-fit approach. This means they look at your whole essay and decide which "band" (e.g., 7–8 marks or 9–10 marks) it belongs in based on how well you followed the command term and used evidence.

Structure of a 10-mark Response

  1. Introduction: Define key terms and briefly state your main argument.
  2. Body Paragraphs (PEEL):
    • P - Point: Make a clear claim.
    • E - Evidence: Use a case study or detailed example.
    • E - Explanation: Use geographic theory to explain the "how" and "why."
    • L - Link: Connect the paragraph back to the original question.
  3. Conclusion: Summarize your main points and give a final judgment (especially for "Evaluate" or "To what extent" questions).

Key Takeaway: Structure is your friend. A well-organized essay with clear paragraphs is much easier for an examiner to reward than a giant "wall of text."


3. Case Studies and Detailed Examples

Geography is about the real world. You cannot get high marks in extended responses without using specific evidence.

Case Studies vs. Examples

  • Case Study: This is a "located and detailed" story used for discussion. It should include specific stakeholders, data, and outcomes. You should be able to discuss it in depth.
  • Detailed Example: This is shorter—usually one or two sentences. It must include a specific location and a fact, date, or number.
    Bad example: "Some cities have a lot of pollution."
    Good example: "In 2013, the 'Airpocalypse' in Beijing saw \(PM_{2.5}\) levels reach over \(600 \mu g/m^3\), far exceeding WHO safety limits."

The "Golden Rules" for Evidence

  • Recent is Better: The IB recommends using case studies from your own lifetime. Older cases are less useful because current research provides more up-to-date data.
  • Match the Demand: If a question specifically asks for a case study, you must use one. If it doesn't, you are still encouraged to use "detailed examples" to support your points.
  • No Prescribed List: There is no official list of case studies you must learn. Your teacher will choose them, or you can research your own, as long as they fit the syllabus topics.

Did you know? Using a specific date or a specific percentage (e.g., "a \(15\%\) increase in discharge") can move your answer from a "satisfactory" markband to a "good" or "excellent" one!


4. Geographic Terminology (AO4)

To sound like a geographer, you must use the right vocabulary. This is part of the marking criteria for every extended response.

  • Instead of "the way water moves," use "flows and transfers."
  • Instead of "rich and poor countries," use "HICs and LICs" (High-Income and Low-Income Countries) or "disparities."
  • Instead of "people involved," use "stakeholders."

Quick Review: Before you finish an essay, scan it. Did you use at least 5–10 specific geographic terms? If not, see where you can swap general words for technical ones.


Summary Checklist

  • Check the Command Term: Are you just "describing" when you should be "evaluating"?
  • Watch the Marks: A 10-mark question needs a balanced argument and a conclusion; a 2-mark question only needs a brief statement.
  • Detail Matters: Ensure your examples include a specific location and a piece of data (number or date).
  • Structure is Key: Use paragraphs and link each one back to the question.

Don't worry if this seems like a lot to remember at once! As you practice more past paper questions, these command terms and structures will become second nature. Focus on one high-level command term (like "Evaluate") each week until you feel confident.

Note: For more details on how to handle specific data, check the chapter "Interpreting tables, graphs, diagrams and images".