Skip to main content

Academic IELTS Writing Task 1: Geothermal Power Plant Process Diagram

Geothermal Power Plant Process Diagram (Analysis, Sample Answer & Tips)

If you are preparing for the Academic IELTS exam, process diagrams are an essential part of Writing Task 1. In this lesson, we will analyze the cement and concrete production process, learn the correct structure, explore useful vocabulary, and review a Band 8+ sample answer.

Question:
WRITING TASK 1
You should spend about 20 minutes on this task.
The diagram below shows how geothermal energy is used to produce electricity.
Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Write at least 150 words.

IELTS Writing Task 1 Process Diagram Guide

Writing a process diagram requires a clear and logical explanation of how something works or is produced.

1. Follow the Correct Structure
  • Introduction: Paraphrase the question.
  • Overview: Summarize the main stages or features.
  • Body Paragraph 1: Describe the first process or initial stages.
  • Body Paragraph 2: Explain the remaining stages or second process.
2. Use Order Linking Words
Firstly, Then, Next, In the next stage, After that, Finally.

3. Write in Present Tense & Passive Voice
Focus on the process rather than the person performing the action.
Example: The water is heated by hot rocks.

4. Identify the Process Type
Know whether the diagram is: Linear/ Lifecycle/ Reusable/ Renewable

5. Use Process Vocabulary
Useful words include: transmitted, spinning, rotates, heated, power grid, underground level, surface level, spinning.

6. Use Process Verbs
Improve your writing with verbs such as: consists, drive, stored, passes, supplied.


Sample Answer
The diagram illustrates how a geothermal power plant uses geothermal energy to generate electricity.

Overall, the process consists of five main stages, beginning with cold water being pumped deep underground and ending with electricity being generated. The water is heated by hot rocks, converted into steam, and then used to drive a turbine connected to a generator.

In the first stage, cold water stored in a tank is pumped approximately 4.5 kilometres below the ground through an injection well. It then passes through the geothermal zone, where it flows around hot rocks and absorbs heat. As a result, the heated water is forced back to the surface through a separate production well.

Next, the hot water enters a condenser, where it is transformed into steam. The steam is directed towards a turbine, causing it to rotate. Finally, the spinning turbine powers a generator, which produces electricity that is supplied to the power grid.

Labels:

Comments

Post a Comment

Popular posts from this blog

Academic IELTS Writing Task 1: Cement and Concrete Production Process (Analysis, Sample Answer & Tips)

Cement and Concrete Production Process (Analysis, Sample Answer & Tips) If you are preparing for the Academic IELTS exam, process diagrams are an essential part of Writing Task 1. In this lesson, we will analyze the cement and concrete production process, learn the correct structure, explore useful vocabulary, and review a Band 8+ sample answer. Question: IELTS Writing Task 1 Process Diagram Guide Writing a process diagram requires a clear and logical explanation of how something works or is produced. 1. Follow the Correct Structure Introduction: Paraphrase the question. Overview: Summarize the main stages or features. Body Paragraph 1: Describe the first process or initial stages. Body Paragraph 2: Explain the remaining stages or second process. 2. Use Order Linking Words Firstly, Then, Next, In the next stage, After that, Finally. 3. Write in Present Tense & Passive Voice Focus on the process rather than the person performing the action. Example: Limestone is crushed into pow...
Post a Comment
Read more

PTE Speaking Pyramid Chart: Maslow’s Hierarchy of Human Needs

How to Describe Pyramid Chart in PTE (Speaking Test Strategy) The PTE Describe Image task is one of the most important parts of the speaking section. It checks your ability to observe, organize, and describe visual information clearly within a limited time. Many students find it challenging, but with the right structure and practice, it becomes much easier to score well. Question 1: In this task, you will see an image such as a graph, chart, map, diagram, or picture. You have 25 seconds to prepare and then 40 seconds to speak about it. Your goal is not to explain everything, but to give a clear and structured description . Sample Response: The image illustrates --------------- Pyramid, which represents the hierarchy of human needs. The pyramid consists of ---------- levels arranged from bottom to top. At the base are ------------ needs, including food, water, warmth, and rest. Above this are ------------- needs, such as security and protection. The next level is ------------------...
Post a Comment
Read more

Prepare for IELTS and PTE with clear singular vs. plural grammar lessons.

English Grammar Singular : Refers to one person, animal, place, thing, or idea.   Examples:   boy, girl, cat, book, apple Plural : Refers to more than one person, animal, place, thing, or idea.   Examples:  boys, girls, cats, books, apples Singular & Plural: Subject–Verb Agreement Singular  - A singular subject requires “s” in the verb.  Example:  He  plays  football. Plural  - Plural subjects do not need “s” in the verb.  Example: They  play  football. Practice Questions:  Part A:  Identify whether the subject is Singular (S) or Plural (P) The teacher ______ (S/P) Many students ______ (S/P) My best friend ______ (S/P) Several books ______ (S/P) The group of players ______ (S/P) The children in the park ______ (S/P) Each student ______ (S/P) The cars on the road ______ (S/P) A piece of cake ______ (S/P) Most people ______ (S/P) Part B: Choose the Correct Verb The teacher...
Post a Comment
Read more