Shadowing Practice: Science in English #6 | Types of Mixtures - Learn English Speaking with Video

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41 sentences
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1
Good morning, everyone.
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Today we are going to learn about types of mixtures.
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We will discover how different substances can mix together.
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Let's get started.
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Imagine you add food coloring to water.
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It spreads evenly throughout the water.
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Now add oil to water.
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Even after stirring, the oil stays separate.
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Why do these two mixtures look different?
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Let's find out.
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Let's begin with our learning objectives.
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By the end of this lesson, you will understand what a mixture is.
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You will learn the difference between pure substances and mixtures.
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You will identify homogeneous and heterogeneous mixtures.
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Before learning about mixtures, Let's review pure substances.
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Elements and compounds are pure substances.
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A mixture is a physical combination of two or more substances.
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The substances are not chemically bonded.
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Let's look at some examples.
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Air is a mixture of different gases.
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Food coloring and water form a homogeneous mixture.
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Oil and water form a heterogeneous mixture.
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Salad is another heterogeneous mixture.
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In a mixture, substances stay together physically.
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They do not form new chemical bonds.
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Because of this, they can usually be separated again.
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Gold can be separated from water.
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Oil can also be separated from water.
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There are two main types of mixtures.
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Homogeneous mixtures have a uniform composition.
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Heterogeneous mixtures have a non-uniform composition.
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Let's compare the two types of mixtures.
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Homogeneous mixtures look the same throughout.
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Heterogeneous mixtures have visible different parts.
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This is the easiest way to tell them apart.
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Let's review what we have learned today.
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A mixture is a physical combination of substances.
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Mixtures can usually be separated by physical methods.
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There are homogeneous and heterogeneous mixtures.
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In our next lesson, we will learn about the properties of homogeneous mixtures.
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Thank you for listening.

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Vocabulary and speaking notes for this lesson

This B1 speaking lesson is built on the video “Science in English”. The speaker keeps coming back to these words: mixture, substances, heterogeneous, homogeneous, separated. This video has 41 sentences and 289 words to shadow. The speech runs for 2:30. The speaker talks at a steady 116 words per minute, a comfortable pace for shadowing. Only 72% 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:

WordPronunciationMeaning
mixture noun/ˈmɪkst͡ʃɚ/The act of mixing.
substance noun/ˈsʌbstəns/Physical matter; material.
lesson noun/ˈlɛs.ən/A section of learning or teaching into which a wider learning content is divided.
composition noun/ˌkɑm.pəˈzɪʃ.ən/The act of putting together; assembly.
uniform noun/ˈjunɪˌfɔɹm/A distinctive outfit that serves to identify members of a group, company, prison inmates, etc.
element noun/ˈɛləmənt/One of the simplest or essential parts or principles of which anything consists, or upon which the constitution or fundamental powers of anything are based.
compare verb/kəmˈpɛɚ/To assess the similarities and differences between two or more things [“to compare X with Y”]. Having made the comparison of X with Y, one might have found it…
discover verb/dɪˈskʌvə/To find or learn something for the first time.
visible adjective/ˈvɪzɪb(ə)l/Able to be seen.
objective noun/ɒbˈd͡ʒɛk.tɪv/A material object that physically exists.
physically adverb/ˈfɪz.ɪ.kli/In a physical manner.
compound noun/ˈkɑmpaʊnd/Anything made by combining several things.
salad noun/ˈsæl.əd/A food consisting principally of raw vegetables (especially greens, e.g. lettuce), other savoury ingredients (typically cooked), fruit, or confectionary; often…
stir verb/stɝ/To disturb the relative position of the particles (of a liquid or similar) by passing an object through it.
evenly adverb/ˈiːvənli/So as to form a flat surface.

Phrasal verbs you will hear

WordMeaning
find out verbTo discover, as by asking or investigating.
stay together verbTo remain loyal in times of stress or difficulty; to avoid separation despite pressure to do so.

Sentences worth repeating

Short, complete lines from the video that you can reuse in everyday conversation:

  • Let's begin with our learning objectives.
  • Let's look at some examples.
  • Let's compare the two types of mixtures.
  • Let's review what we have learned today.

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 itbe separated · can be separated
Future with “will” will + verb — a decision, promise or predictionwill discover · will understand · will learn

Pronunciation to watch

  • Long words — get the stress right: composition /ˌkɑm.pəˈzɪʃ.ən/, heterogeneous /ˌhɛt.(ə.)ɹəˈd͡ʒiː.ni.əs/, homogeneous /ˌhoʊ.moʊˈd͡ʒi.ni.əs/

How to practise with this video

  1. Listen to the whole video once without speaking and note the words you do not know.
  2. Shadow it sentence by sentence at normal speed, repeating each one until your rhythm matches the speaker.
  3. Record yourself and compare with the original, paying attention to words like mixture, substance, lesson.

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 →