Shadowing Practice: Mercury 101 | Planet Mercury | The Dr Binocs Show | Peekaboo Kidz - Learn English Speaking with Video

Creating lesson...
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Oh, good to see you making clay models for your school project.
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Is that Jupiter in your hands, little kitty?
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No, Mercury.
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Oh, then you got the size and color wrong.
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If you want good grades, I suggest you learn some interesting facts about it.
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Kitty wants A+.
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Great!
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So let me explain to you all some interesting facts about the first planet in our solar system called Mercury.
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Zoom in!
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Mercury is the first planet in our solar system with a diameter of 3031.9 miles,
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making it slightly bigger than our moon and eventually the smallest planet in size.
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But despite being small, it is the fastest planet in our solar system
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as it takes only 88 days to complete one revolution around the sun.
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However, days can be really long here as it takes about 59 Earth days to complete one rotation around its axis.
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And just like Earth, it is a terrestrial planet too.
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Meaning, they have a compact, rocky surface like the Earth's terra firma and three layers,
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the core, the mantle and the crust, but with no tectonic plates.
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Also, its iron core is the densest part that makes up around 85% of its radius,
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while the Earth's core makes up only 55% of its total size.
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Also, the core has a significant contribution towards the weight of Mercury,
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making it the most iron rich planet in the entire Solar System.
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But with time, this iron loaded core is cooling down,
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resulting in the wrinkling and shrinking of this planet like a raisin.
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Yes, some scientists estimate
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that the planet is now about 8.6 miles smaller in diameter than it was nearly 4 billion years ago.
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Another factor that may surprise you about working is
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that it isn't the hottest planet in our solar system system despite being closest to the sun.
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Yes, because it has almost no atmosphere but just a thin layer of exosphere
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that cannot hold in heat and keep the surface warm.
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The temperature can drop to minus 300 degrees Fahrenheit during nights, but due to its close proximity to the sun,
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it can rise up to a whopping 800 degrees Fahrenheit during the daytime.
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Not only that, but this lack of an atmospheric layer to protect it from
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the outer attacks has also led to multiple meteor showers on this planet,
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leading to the formation of many large craters.
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One of which is called the Caloris Basin, which has a diameter of around 960 miles.
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Researchers believe it could have been caused by an object nearly 62 miles wide,
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which is way bigger than an asteroid.
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Chick-X Club Impactor, which was only 6.2 miles wide,
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but still managed to wipe out dinosaurs on Earth.
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Yes, and if you want to know more about it, please check out our video.
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What if an Asteroid hit the Earth afterwards?
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These extreme factors about this tiny planet, makes us curious to learn more about its existence.
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But due to its orbit so close to the sun, it is challenging to observe it from the earth.
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Because of which, so far we only managed to send two spacecrafts to its surface.
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Yes, NASA's Marina 10 in 1973 and Messenger in 2004 gave us little information we have about this little planet until now.
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But the space community is making more and more efforts to know more and more about Mercury's extreme behavior.
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And hopefully in the near future, someone from our lovely audience will manage to unwrap the layers
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beneath the rocky surface of a cute little speedy planet called Mercury.
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Trivia Time!
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Did you know Mercury was named after the Roman God Mercurius?
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Yes, Mercurius was the messenger of Roman Gods, also known for his speed.
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Hope you learned something new today.
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Until next time, it's me Dr. Binox, Zooming out!
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Oh, Peter!
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Never mind!

Why Practice Speaking with This Video?

Practicing with "Mercury 101" is a fun way to boost your speaking skills—especially if you’re using the shadowing technique! The video’s clear, conversational tone makes it perfect for shadow speech: repeat lines aloud as you hear them, mimicking rhythm and intonation. It’s great for IELTS speaking practice too, as it builds fluency in explaining facts (a key task in the exam). You’ll learn to talk about science, compare planets, and share trivia—all while sounding natural. Quick wins? Absolutely: master 5 new sentences, and you’ll feel more confident in no time!

Grammar & Expressions in Context

The video is packed with useful structures. Let’s break down 3 key ones:

  • "Despite being small, it is the fastest planet..." Use "despite + gerund" to contrast ideas—ideal for IELTS speaking. Example: "Despite studying hard, I still need practice."
  • "Meaning, they have a compact, rocky surface..." "Meaning" is a casual way to explain terms. Perfect for clarifying ideas: "I love shadowing, meaning repeating speech to improve pronunciation."
  • "Some scientists estimate that the planet is now..." "Some + experts + estimate that" adds authority. Use it to share facts: "Some teachers say the shadowing technique boosts fluency in weeks."

Common Pronunciation Traps

Watch out for these tricky words! Mercury (MER-kyoo-ree) often gets mispronounced as "mer-CURE-ee"—stress the first syllable. Exosphere (EK-soh-sfeer) has a short "e" sound, not "ee". And Caloris Basin (kuh-LOR-is BAY-sin) needs a soft "c" (like "cat"), not "kuh-LOR-iss". Practice with the shadowing technique: pause, repeat, and match the speaker’s pace. A good shadowing site can help, but even repeating the video alone works—you’ll notice progress in days!

Grammar in this video

The structures the speaker uses most, with the exact words from the video:

StructureIn the video
Passive voice be + past participle — the focus is on what happens, not who does itis called · have been caused · was named
Relative clauses who / which + clause — extra information about a person or thingBasin, which has · Impactor, which was
Superlatives the -est / the most … — the top or bottom of a groupthe smallest · the fastest · the densest
Comparatives -er than / more … than — comparing two thingsbigger than · diameter than

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.

Shadowing technique: read the full step-by-step guide →