IELTS Speaking: Submarine Cables and Internet
Submarine cables and the internet
Answers and an explanation for each question appear once you add this activity to your own library.
Submarine Cables & The Internet: Key Vocabulary & Patterns
In this module, you will build key vocabulary and sentence patterns about undersea cables before moving on to speaking practice.
💡 How to use this lesson
For Teachers:
• Guide students through these vocabulary and pattern tasks for about 10 minutes before starting speaking practice.
• Check student answers together using the feedback and clarify any tricky word meanings.
For Learners:
• First, complete the quick vocabulary review, collocation matching, and fun fact guesses below.
• Next, read through the four sentence patterns and practice saying the example sentences out loud.
Part 1 Vocabulary Review
Complete each sentence using the correct word from the unit vocabulary list.
1. An anchor dropped by a fishing boat can easily [ ___ ] an underwater communications line if it gets caught.
2. Specialized repair engineers must carefully [ ___ ] the two ends of a damaged glass cable back together.
3. The central [ ___ ] of an undersea cable contains fine glass fibers that transmit internet data as light signals.
4. Shallow undersea cables require heavy steel [ ___ ] to shield them from marine hazards and heavy rocks.
5. A home [ ___ ] receives incoming internet traffic and distributes signals to your Wi-Fi devices.
Part 2 Collocation Matching
Match each common unit collocation on the left to its correct meaning on the right.
A: Covering that stops electricity escaping
B: Join two cut ends together
C: Metal protective guard
D: Cut through line completely
E: Catch hook on ocean wire
F: Central strand carrying light
Part 3 Useful Sentence Patterns
Study these natural sentence structures and read the original examples aloud to build speaking fluency.
... is designed to ...
Used to explain the intended purpose of an object or system.
Example:
"The outer steel casing is designed to protect thin glass wires from high underwater pressure."
... allows us to ...
Used to describe an ability or benefit created by technology.
Example:
"This global network allows us to communicate with friends across oceans within milliseconds."
... makes it easier to ...
Used to explain how a feature reduces difficulty or effort.
Example:
"Having multiple backup lines makes it easier to maintain fast internet during maintenance."
... plays a key role in ...
Used to highlight the vital importance of something in a larger system.
Example:
"Reliable undersea infrastructure plays a key role in supporting global financial trade every day."
Part 4 Fun Fact Guessing Games
Test your general knowledge about submarine cables before moving to Part 2 speaking practice!
Fun Fact 1: Undersea Cable Repair Frequency
According to data from the International Cable Protection Committee (ICPC 2024), how many cable repairs are needed worldwide every week?
Fun Fact 2: Transatlantic Cable History
According to the Science Museum (2026), in which year did the very first telegraph cable successfully carry messages across the Atlantic Ocean?
IELTS Speaking Part 2: Internet Outage Experience
In this module, you will practice delivering a structured 2-minute response based on a real-life situation.
Topic Card
Describe a time when your internet connection stopped working.
You should say:
- where you were
- what you were trying to do
- what you did about it
and explain how you felt at the time.
Record Your Response
Click record when you are ready. Your answer will be evaluated by AI across all four IELTS criteria.
[Bài tập luyện nói]
💡 Model Answer (Click to expand) ▼Well, to be honest, this happened a while ago when I was at home in my living room. I was working on an important school project that was due the next morning, and I needed to submit it online.
Suddenly, the connection just dropped completely. The light on my router started flashing red, and I couldn't load any websites at all. I started to panic a bit because I didn't have much time.
First, I tried restarting the router by unplugging it for a bit, but that didn't help at all. So, I decided to take matters into my own hands and switched to my mobile data hotspot. Luckily, my phone had enough signal, so I managed to finish my work and send it off before the deadline.
At the time, I felt incredibly frustrated and stressed out, mostly because I was on a tight deadline. But once the project was submitted, I felt a huge sense of relief, and, um, I was really glad it worked.
Useful Phrases & Notes:
- • take matters into my own hands: Note: act directly to solve a problem yourself.
- • stressed out: Note: feeling anxious or overwhelmed.
- • on a tight deadline: Note: having very little time to complete a task.
- • sense of relief: Note: a feeling of comfort when a stressful situation ends.
IELTS Speaking Part 3: Deep Dive Questions
In this module, you will answer four discussion questions about internet dependence, security, and infrastructure.
Why do people feel so uneasy when the internet stops working?
[Bài tập luyện nói]
💡 Model Answer (Click to expand) ▼Well, to be honest, I think it's because we rely on it for almost everything now. When the connection starts to go down at home, people instantly lose contact with their work, news, and even simple daily habits. It makes people feel cut off from the world, you know? Suddenly you can't text your family, stream a video, or check your schedule. So, um, that sudden lack of control creates a lot of anxiety because our whole daily routine gets completely disrupted.
Useful Phrases & Notes:
- • go down: Note: stop working or lose connection temporarily.
- • cut off from the world: Note: isolated from communication or social contact.
- • lack of control: Note: feeling unable to manage what is happening.
- • daily routine: Note: regular everyday activities and habits.
Should governments protect the cables that carry the internet?
[Bài tập luyện nói]
💡 Model Answer (Click to expand) ▼I'd say yes, absolutely. Undersea cables are basic infrastructure, just like power lines or water pipes. If a main cable breaks, whole regions can lose access, which causes huge trouble for hospitals and businesses. That's why those lines matter so much. I remember once when my local bank app stopped working for hours because of a network fault. So, um, governments should definitely keep an eye on these lines to protect them from accidents. It's really about keeping essential public services running smoothly.
Useful Phrases & Notes:
- • basic infrastructure: Note: essential physical systems needed for society to function.
- • keep an eye on: Note: watch or monitor something carefully.
- • running smoothly: Note: operating continuously without problems or interruptions.
Is it a good idea for a country to depend on a few big companies for its internet?
[Bài tập luyện nói]
💡 Model Answer (Click to expand) ▼Personally, I don't think it's a great idea. If a country relies on just a few large tech firms, there's very little competition. That means prices can stay high and service quality might drop. Also, if one major provider has a technical glitch, much of the town loses signal at once. I think it's much safer to spread the risk by having multiple smaller providers. That way, users have better choices and the system has a backup plan if something breaks down.
Useful Phrases & Notes:
- • technical glitch: Note: a small, temporary malfunction in machinery or equipment.
- • spread the risk: Note: distribute danger or liability so one failure isn't fatal.
- • a backup plan: Note: an alternative method to use if the primary plan fails.
How would daily life change if the internet disappeared for a week?
[Bài tập luyện nói]
💡 Model Answer (Click to expand) ▼Well, at first, I reckon it would be complete and total chaos. People couldn't work remotely, pay for groceries electronically, or check public transit maps on their phones. But after a little while, we'd probably adapt. People would start talking to each other more in person, reading paper books, and finding offline hobbies. To be honest, while it would throw a wrench in the works for business, it might actually give people a chance to unplug for a while and slow down.
Useful Phrases & Notes:
- • work remotely: Note: perform job duties away from an office using internet connections.
- • throw a wrench in the works: Note: disrupt a plan or system and cause unexpected trouble.
- • unplug for a while: Note: take a temporary break from digital devices and technology.
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