C1IELTS-style · Band 7.0–8.0Speaking30 min

IELTS Speaking: Energy Security and Nuclear Power

Energy security and nuclear power

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Target: 7.0-7.5 IELTS Speaking Part 3 • Unit 1

Module 1: Building your vocabulary

Energy security and nuclear power — learn the essential language and key facts before you speak.

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How to use this lesson

👨‍🏫 For the teacher

Guide learners through the vocabulary and patterns in 30 minutes, keeping the pace active.

Review the automated answer checks together to make sure learners grasp the collocations before Module 2.

🎯 For the learner

First, test yourself on the key vocabulary, word pairings, and natural sentence patterns below.

Next, tackle the two historical facts so you have real context ready for your speaking tasks.

⚡ Core Vocabulary Bank

10 Target Words

Read through the ten key terms for this unit. Notice how each word connects to energy policy and power generation:

dependency shortfall outage diversify reactor uranium radioactive intermittent baseload decommission
1

Vocabulary Check: Choose the best term

1. When extreme frost caused gas pipelines to freeze, the national grid faced an unexpected supply ________ of nearly twenty percent.

Choose the word that describes a deficit or missing amount.

____ a. baseload ____ b. shortfall ____ c. outage

2. A transformer failure triggered a complete regional power ________ that left thousands of homes in darkness for six hours.

Choose the word that means a temporary failure or loss of electricity.

____ a. outage ____ b. dependency ____ c. reactor

3. Energy analysts warn that countries must ________ their suppliers rather than relying on a single foreign exporter.

Choose the verb meaning to introduce greater variety and spread risk.

____ a. decommission ____ b. generate ____ c. diversify

4. Because solar and wind are ________ resources, their generation drops sharply during still nights and overcast winter days.

Choose the adjective meaning stopping and starting at variable intervals.

____ a. radioactive ____ b. intermittent ____ c. baseload

5. Nuclear facilities are particularly well suited to supplying ________ power because they can run at steady capacity 24 hours a day.

Choose the term for the permanent minimum load required by a power system.

____ a. baseload ____ b. uranium ____ c. shortfall
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Section 2: High-Scoring Collocations

Examiners listen for natural pairings rather than isolated dictionary words. Match each of these 6 frequent collocations to its exact meaning below. Each meaning is distinct and contains no words from its collocation.

2

Match each collocation to its definition

1. "cover a shortfall" Verb phrase

Which definition best matches this phrase?

____ a. shut down and dismantle aging industrial facilities ____ b. secure constant minimum output for the grid ____ c. compensate for an unexpected deficit
2. "sudden outage" Noun phrase

Which definition best matches this phrase?

____ a. abrupt loss of electrical power ____ b. erratic flow that comes and goes ____ c. broaden the range of fuel supplies
3. "diversify energy sources" Verb phrase

Which definition best matches this phrase?

____ a. compensate for an unexpected deficit ____ b. broaden the range of fuel supplies ____ c. permanently retire and dismantle facilities
4. "intermittent supply" Noun phrase

Which definition best matches this phrase?

____ a. secure constant minimum output for the grid ____ b. abrupt loss of electrical power ____ c. erratic flow that comes and goes
5. "guarantee baseload power" Verb phrase

Which definition best matches this phrase?

____ a. secure constant minimum output for the grid ____ b. compensate for an unexpected deficit ____ c. erratic flow that comes and goes
6. "decommission an old reactor" Verb phrase

Which definition best matches this phrase?

____ a. broaden the range of fuel supplies ____ b. permanently retire and dismantle an aging facility ____ c. abrupt loss of electrical power
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Section 3: Four Spoken Sentence Patterns

In IELTS Part 3, high-scoring speakers use flexible frames to express strong contrasts, estimates, and solutions. Study how these four patterns work in natural spoken English:

Pattern 1 Contrast

... is a far cry from ...

Everyday spoken example:

"Generating a little electricity from rooftop solar panels is a far cry from running heavy steel mills and train networks around the clock."

Why this works: Use this to emphasize that two situations are completely different in scale or difficulty.
Pattern 2 Proportions

... makes up roughly half of ...

Everyday spoken example:

"In several industrialized regions, low-carbon nuclear output makes up roughly half of the total night-time electricity."

Why this works: Gives you a clean, conversational way to quote approximate shares without getting bogged down in numbers.
Pattern 3 Core Issue

The trouble with ... boils down to ...

Everyday spoken example:

"The trouble with relying entirely on renewables boils down to finding practical ways to store backup power when the weather turns calm."

Why this works: Cut directly to the main argument while sounding natural and authoritative.
Pattern 4 Logical Action

Given the danger of ..., it makes sense to ...

Everyday spoken example:

"Given the danger of sudden grid blackouts in freezing weather, it makes sense to maintain several independent fuel reserves."

Why this works: Balances an acknowledged risk with a sensible policy recommendation.
3

Fun Facts: Test your history before Speaking Part 3

Fact 1 US Department of Energy Record

In what year did the experimental reactor EBR-I in the USA become the first power plant in the world to produce usable electricity through atomic fission?

Select your guess below to reveal the official historical fact:

____ 1931 ____ 1951 ____ 1971
💡 Did you know? It was an experimental plant located in the Idaho desert, proving that nuclear energy could be harnessed for civilian power.
Fact 2 World Nuclear News Archive

The Calder Hall station in the United Kingdom was the world's first commercial nuclear power station. In what year did it officially open to feed the commercial grid?

Select your guess below to reveal the verified date:

____ 1936 ____ 1956 ____ 1976
💡 Historical benchmark: Calder Hall demonstrated that atomic energy was viable on a national scale, supplying industrial and domestic power across northwest England.
Module 2

Part 3 Speaking Questions

Record your answer for each question, check your AI scores across all four areas, and open the model answer to compare.

QUESTION 01 Self-sufficiency

Should a country depend mostly on its own energy, even if imported energy is cheaper?

Grading Criteria

Fluency and Coherence Lexical Resource Grammatical Range and Accuracy Pronunciation

[Bài tập luyện nói]

💡 Model Spoken Answer (Click to view after recording) ▼

"Well, I think it depends on how much risk a country can take. Cheap imports are tempting, but if one supplier stops sending gas, the money we save is a fraction of what a blackout would cost. My cousin's flat had no heating for two days last winter, and it was awful. So I'd say a country shouldn't rely on one source. It doesn't have to make everything at home, though. It's better to diversify its suppliers and keep some of its own power as a safety net. That way, price matters, but it doesn't leave the country exposed."

• a fraction of: a very small part of something

• diversify its suppliers: buy from several places, not just one

• leave the country exposed: put the country at risk

QUESTION 02 Local attitudes

Would you be happy to live near a nuclear power station?

Grading Criteria

Fluency and Coherence Lexical Resource Grammatical Range and Accuracy Pronunciation

[Bài tập luyện nói]

💡 Model Spoken Answer (Click to view after recording) ▼

"Honestly, yes, I think I would. I know some people worry, but if these places are heavily regulated, I'd trust trained inspectors more than my own guesses. What I'd want is clear information, so nobody is left guessing. If a station is on a par with other big industrial sites for safety, I wouldn't worry about it. That said, I'd feel differently if the local council hid things from residents. For me it comes down to trust. If people get straight answers, I'd be fine with it, and the jobs would be a bonus."

• heavily regulated: controlled by many strict rules

• on a par with: at the same level as

• get straight answers: hear the honest truth, with nothing hidden

QUESTION 03 Fairness and cost

Who should pay for the safe storage of nuclear waste for the next hundred years?

Grading Criteria

Fluency and Coherence Lexical Resource Grammatical Range and Accuracy Pronunciation

[Bài tập luyện nói]

💡 Model Spoken Answer (Click to view after recording) ▼

"I'd say the companies that make the waste should pay, at least at first, because it's their product. But a hundred years is a long time, and companies can go out of business, so the government has to be ready to step in. I think the cost should be added to electricity bills in a fair way, so people can see what they're paying for. It's not fair to leave it to our grandchildren. They didn't get the benefit, so they shouldn't foot the bill. A special fund, paid into every year, seems the most sensible plan to me."

• go out of business: stop trading because there is no money left

• step in: start to help when others cannot

• foot the bill: pay for something

QUESTION 04 Renewable power

Is it realistic for a country to get all its power from wind and sun?

Grading Criteria

Fluency and Coherence Lexical Resource Grammatical Range and Accuracy Pronunciation

[Bài tập luyện nói]

💡 Model Spoken Answer (Click to view after recording) ▼

"Not in the near future, I'd say. Wind and sun are intermittent, so the power stops when the weather changes. Even if they covered roughly half of what a country needs, the other half would still be a problem on still, cloudy days. For a whole country we'd need huge batteries or another steady source for those days, and that's a far cry from where most places are now. I'd like it to happen, and it's a goal worth working towards, but a mix feels more realistic, with some baseload power in the background."

• intermittent: stopping and starting, not steady

• roughly half: about fifty percent

• a far cry from: very different from

• baseload: the steady minimum power a grid always needs

QUESTION 05 Emergency planning

How should a government prepare for a long power cut in winter?

Grading Criteria

Fluency and Coherence Lexical Resource Grammatical Range and Accuracy Pronunciation

[Bài tập luyện nói]

💡 Model Spoken Answer (Click to view after recording) ▼

"First, I think it should be honest about the risk, so people can get ready at home. Then it needs a plan for the people who'd suffer most, like elderly neighbours who live alone. Warm places, such as school halls, could open as shelters. It should also keep some fuel in store and make sure hospitals have their own generators. I remember a storm when our street lost power, and the worst part was not knowing what was happening. So clear updates matter too. Yeah, I'd say plan ahead and keep people informed, and don't forget the people who'd suffer most."

• keep some fuel in store: have fuel saved for an emergency

• plan ahead: get ready before something happens

• keep people informed: tell people what is going on

QUESTION 06 Global events

Do international conflicts make people more worried about the price of energy?

Grading Criteria

Fluency and Coherence Lexical Resource Grammatical Range and Accuracy Pronunciation

[Bài tập luyện nói]

💡 Model Spoken Answer (Click to view after recording) ▼

"Yes, definitely. When there's a conflict somewhere, people start asking whether the gas will keep coming, and that makes them nervous about their bills. I've noticed my parents turning the heating down as soon as they hear bad news on TV, even before prices change. It's partly fear, I think. Energy is something we all use every day, so a rise hits every household. Countries with a heavy dependency on one supplier feel it far more than countries with several sources. So conflict and price worries go hand in hand."

• hits every household: affects every home

• a heavy dependency on: needing one thing a lot

• go hand in hand: usually happen together

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