Shadowing Practice: National Geographic Reading Explorer 2 Unit 6 Ocean Megabuilders - Learn English Speaking with Video
Creating lesson...
1
The bright colors of coral reefs can be seen in warm seas all around the planet.
2
But they are not just beautiful, they are also hugely important to our oceans.
3
1. Corals are actually animals.
4
Though they may look like colorful plants, coral are in fact made up of tiny animals called polyps.
5
Polyps can range from the size of a pinhead to a bit larger than a basketball.
6
2. Corals are mega builders.
7
Each polyp builds itself a skeleton out of limestone.
8
These skeletons join together to form large colonies of hard corals.
9
As polyp colonies grow over hundreds and thousands of years.
10
They join with other colonies and become reefs that can stretch over hundreds of kilometers.
11
The largest coral reef is Australia's Great Barrier Reef.
12
It began growing about 20,000 years ago.
13
Three, coral reefs are some of the most diverse ecosystems on Earth.
14
Though they cover less than 1% of the ocean floor, coral reefs are home to 25% of all sea creatures.
15
Up to 2 million species live in coral reefs around the world.
16
4. Coral provide a window to the past.
17
As coral grow over thousands or millions of years, their limestone skeletons form layers.
18
These are similar to tree rings.
19
They vary in thickness based on ocean conditions at the time.
20
Scientists can study these layers to learn what the Earth's climate may have been like in the distant past.
21
But what about the future?
22
Unfortunately, climate change is dangerous for Earth's coral reefs, the animals that live there,
23
and the 500 million people around the world who depend on reef fish for food.
24
Unless we can slow down climate change, scientists warn that our oceans could lose many of their colorful reefs by the end of the 21st century.
📺 Same Channel
B11
National Geographic Reading Explorer 1 Unit 10 City in the Clouds
Cambridge Exam PrepHigh School StudentsUniversity Students
B14
National Geographic Reading Explorer 1 Unit 3 The Mozart Effect
Daily ConversationHigh School StudentsUniversity Students
B12
National Geographic Reading Explorer 1 Unit 11 Our Plastic World
Daily ConversationHigh School StudentsUniversity Students
B13
National Geographic Reading Explorer 1 Unit 4 The Red Planet
IELTS PrepTOEFL PrepHigh School Students
B113
National Geographic Reading Explorer 1 Unit 2 Exploring Laponia
Daily ConversationHigh School StudentsUniversity Students
B11
National Geographic Reading Explorer 1 Unit 9 Snake Catchers
IELTS PrepTOEFL PrepHigh School Students
B137
National Geographic Reading Explorer 1 Unit 5 New York Skyscraper
TOEFL PrepCambridge Exam PrepHigh School Students
B12
National Geographic Reading Explorer 2 Unit 3 Walking with Giants
Cambridge Exam PrepHigh School StudentsUniversity Students
B124
National Geographic Reading Explorer 2 Unit 1 Space Food
Daily ConversationHigh School StudentsUniversity Students
B12
National Geographic Reading Explorer 1 Unit 6 Bioblitz
Daily ConversationHigh School StudentsUniversity Students
B13
National Geographic Reading Explorer 1 Unit 8 Fairy tale Castle
Cambridge Exam PrepHigh School StudentsUniversity Students
C14
National Geographic Reading Explorer 2 Unit 2 The Lion's Roar
IELTS PrepTOEFL PrepUniversity Students
B2National Geographic Reading Explorer 2 Unit 12 Sea Caves
TOEFL PrepUniversity Students
B1National Geographic Reading Explorer 2 Unit 11 Smile Trial
Daily ConversationHigh School StudentsUniversity Students
B1National Geographic Reading Explorer 2 Unit 10 The Sled Dogs of Greenland
Daily ConversationHigh School StudentsUniversity Students
B1National Geographic Reading Explorer 2 Unit 9 The Global Village
IELTS PrepTOEFL PrepCambridge Exam Prep
B2National Geographic Reading Explorer 2 Unit 8 The Legend of Marco Polo
Cambridge Exam PrepHigh School StudentsUniversity Students
B1National Geographic Reading Explorer 2 Unit 7 Flowers from Ecuador
Business EnglishDaily ConversationHigh School Students
B2National Geographic Reading Explorer 2 Unit 5 Digging into the Past
Daily ConversationHigh School StudentsUniversity Students
B1National Geographic Reading Explorer 2 Unit 4 Dragon Boat Festival
Daily ConversationHigh School StudentsUniversity Students
✨ Recommend Video
B24
35 sentences
RE2 Unit 6A
IELTS PrepTOEFL PrepUniversity Students
B2253
20 sentences
Grade 12 Reading Unit 2
Cambridge Exam PrepHigh School StudentsUniversity Students
B22
64 sentences
IELTS Cambridge 10 test 3 section 2
IELTS PrepCambridge Exam PrepUniversity Students
B24
37 sentences
RE2 Unit 5B
Cambridge Exam PrepUniversity Students
B113
40 sentences
READING EXPLORER 1 UNIT 1B MASTER OF DISGUISE
TOEFL PrepCambridge Exam PrepHigh School Students
B21
135 sentences
The Deepest Point in the World: Crash Course Geology #12
Cambridge Exam PrepHigh School StudentsUniversity Students
B14
30 sentences
READING EXPLORER 1 UNIT 7A THE TRUTH ABOUT DINOSAURS
Cambridge Exam PrepHigh School StudentsUniversity Students
B23
26 sentences
4 Subject link 6 C14
IELTS PrepCambridge Exam PrepUniversity Students
C14
134 sentences
(Oxford RnD - Level 3) Super Structures
Cambridge Exam PrepUniversity StudentsWorking Adults
C11
59 sentences
Cambridge Ielts 16 Reading test 2 Passage 2
IELTS PrepTOEFL PrepCambridge Exam Prep
B21
54 sentences
Cambridge IELTS 21 PART 4 TEST 2 #voduyquynh #ielts21 #ielts21test2part4
IELTS PrepCambridge Exam PrepUniversity Students
Vocabulary and speaking notes for this lesson
This B2 speaking lesson is built on the video “National Geographic Reading Explorer 2 Unit 6 Ocean Megabuilders”. The speaker keeps coming back to these words: coral, reef, polyp, ocean, skeleton. This video has 24 sentences and 289 words to shadow. The speech runs for 2:29. The speaker talks at a steady 116 words per minute, a comfortable pace for shadowing. Only 78% of the words are among the 3,000 most common in English, so the vocabulary is demanding.
Key vocabulary in this video
The 15 most advanced words in the video, with pronunciation and meaning:
| Word | Pronunciation | Meaning |
|---|---|---|
| coral noun | /ˈkɔɹəl/ | Any of many species of marine invertebrates in the class Anthozoa, most of which build hard calcium carbonate skeletons and form colonies, or a colony… |
| reef noun | /ɹiːf/ | A chain or range of rocks, sand, or coral lying at or near the surface of the water. |
| polyp noun | /ˈpɑlɪp/ | A cylindrical coelenterate, such as the hydra, having a mouth surrounded with tentacles. |
| skeleton noun | /ˈskɛlətən/ | The system that provides support to an organism, where in vertebrates it is internal and consists of bones and cartilage, and external in some other animals. |
| colony noun | /ˈkɔl.ə.ni/ | A geographical area under the remote control of a country; especially to extract resources or exploit labor from that area. |
| limestone noun | /ˈlaɪmˌstoʊn/ | An abundant rock of marine and freshwater sediments; primarily composed of calcite (CaCO₃); and occurring in a variety of forms, both crystalline and amorphous. |
| colorful adjective | /ˈkʌl.əɹ.fl̩/ | Possessing prominent and varied colors. |
| pinhead noun | /ˈpɪn.hɛd/ | The head of a pin. (Frequently used in size comparisons.) |
| hugely adverb | /ˈhjuːd͡ʒli/ | Greatly; to a huge extent. |
| thickness noun | /ˈθɪknəs/ | The property of being thick (in dimension). |
| ecosystem noun | /ˈikoʊˌsɪstəm/ | A system formed by an ecological community and its environment that functions as a unit. |
| builder noun | /ˈbɪl.dəɹ/ | One who builds or constructs things. |
| warn verb | /woɹn/ | To make (someone) aware of impending danger, evil, etc. |
| mega adjective | /ˈmɛɡə/ | Very large. |
| distant adjective | /ˈdɪstənt/ | Far off (physically, logically or mentally). |
Phrasal verbs you will hear
| Word | Meaning |
|---|---|
| slow down verb | To decelerate. |
How to practise with this video
- Listen to the whole video once without speaking and note the words you do not know.
- Shadow it sentence by sentence at normal speed, repeating each one until your rhythm matches the speaker.
- Record yourself and compare with the original, paying attention to words like coral, reef, polyp.
What is the Shadowing Technique?
Shadowing is a science-backed language learning technique originally developed for professional interpreter training and popularized by polyglot Dr. Alexander Arguelles. The method is simple but powerful: you listen to native English audio and immediately repeat it out loud — like a shadow following the speaker with just a 1–2 second delay. Unlike passive listening or grammar drills, shadowing forces your brain and mouth muscles to simultaneously process and reproduce real speech patterns. Research shows it significantly improves pronunciation accuracy, intonation, rhythm, connected speech, listening comprehension, and speaking fluency — making it one of the most effective methods for IELTS Speaking preparation and real-world English communication.