Shadowing Practice: Science in English #3 | The Periodic Table - Learn English Speaking with Video

Les maken...
1
Ahem.
2
Good morning, everyone.
3
Today we are going to learn about the periodic table.
4
Think of it as a map of all known elements.
5
Just like a map helps you find places, the periodic table helps scientists organize the building blocks of matter.
6
Let's get started.
7
Let's begin with a simple comparison.
8
The English language has only 26 letters.
9
Yet, those 26 letters can create millions of words and sentences.
10
Nature is very similar.
11
About 118 elements combine to create everything around us.
12
So where can we find all these elements?
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We can find them in the periodic table.
14
Let's begin with our learning objectives.
15
By the end of this lesson, you will understand what the periodic table is.
16
You will learn about atomic number and atomic mass.
17
You will also identify groups and periods.
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Finally, you will recognize metals, nonmetals, and metalloids.
19
So what is the periodic table?
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It is a chart that organizes all known elements.
21
Each element has four important pieces of information.
22
Its name, its chemical symbol, its atomic number, and its atomic mass.
23
Now let's look more closely at these numbers.
24
The atomic number is like an ID card.
25
It tells us exactly which element it is.
26
For example, hydrogen has an atomic number of one.
27
Carbon has an atomic number of six.
28
has an atomic number of 1.
29
Carbon has an atomic number of 6.
30
Gold has an atomic number of 79.
31
The atomic mass tells us how heavy an atom is compared with a hydrogen atom.
32
Not all elements are the same.
33
Scientists divide them into three main categories.
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Metals Metals are usually shiny and conduct electricity well.
35
Nonmetals do not conduct electricity well.
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Metalloids have properties of both metals and nonmetals.
37
Each category has its own unique properties.
38
Now let's learn how to read the periodic table.
39
The horizontal rows are called periods.
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The vertical columns are called groups.
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Here is an important idea.
42
Elements in the same group have similar properties.
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They behave in similar ways during chemical reactions.
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Let's look at a few examples.
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Group 1 contains the alkali metals.
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They are very reactive.
47
Group 17 contains the halogens.
48
They are reactive non-metals.
49
Group 18 contains the noble gases.
50
These elements are very stable and rarely react with other elements.
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Let's review what we have learned today.
52
The periodic table organizes all known elements.
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Each element has an atomic number and an atomic mass.
54
The table is arranged into periods and groups.
55
Elements in the same group have similar properties.
56
The periodic table helps scientists understand and compare all known elements.
57
Thank you for listening.
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Woordenschat en spreektips bij deze les

Deze spreekles op niveau B1 is gebaseerd op de video “Science in English”. Deze woorden komen het vaakst terug: element, atomic, table, periodic, metals. Deze video bevat 57 zinnen en 427 woorden om na te spreken. Het gesproken deel duurt 3:40. De spreker praat in een gelijkmatig tempo van ongeveer 117 woorden per minuut, prettig om te shadowen. Slechts 81% van de woorden hoort bij de 3.000 meest gebruikte Engelse woorden, dus de woordenschat is pittig.

Belangrijke woorden in deze video

De 15 moeilijkste woorden uit de video, met uitspraak en betekenis:

WoordUitspraakBetekenis
atomic bijvoeglijk naamwoord/əˈtɑː.mɪk/atomair
organize werkwoord/ˈɔɹɡənaɪz/organiseren
scientist zelfstandig naamwoord/ˈsaɪəntəst/wetenschapper, wetenschapster
atom zelfstandig naamwoord/ˈætəm/atoom
hydrogen zelfstandig naamwoord/ˈhaɪdɹəd͡ʒ(ə)n/waterstof
alkali zelfstandig naamwoord/ˈæl.kəˌlaɪ/alkali
halogen zelfstandig naamwoord/ˈhæl.ə.d͡ʒən/halogeen
horizontal bijvoeglijk naamwoord/ˌhoɹəˈzɑn.təl/horizontaal
behave werkwoord/bɪˈheɪv/zich gedragen
arrange werkwoord/əˈɹeɪnd͡ʒ/regelen, schikken
divide werkwoord/dɪˈvaɪd/verdelen
combine werkwoord/kəmˈbaɪn/combineren
vertical bijvoeglijk naamwoord/ˈvɝ.tɪ.kəl/verticaal
react werkwoord/ɹiːˈækt/reageren
noble bijvoeglijk naamwoord/ˈnoʊbəl/edel, adellijk

Zinnen om te herhalen

Korte, volledige zinnen uit de video die je in alledaagse gesprekken kunt gebruiken:

  • Let's begin with a simple comparison.
  • Let's begin with our learning objectives.
  • Let's look at a few examples.
  • Let's review what we have learned today.

Grammatica in deze video

De structuren die de spreker het meest gebruikt, met de exacte woorden uit de video:

StructuurIn de video
Lijdende vorm be + voltooid deelwoord — het gaat om wat er gebeurt, niet om wie het doetis compared · are called · is arranged
Toekomst met “will” will + werkwoord — een besluit, belofte of voorspellingwill understand · will learn · will also identify

Uitspraak om op te letten

  • Lange woorden — let op de klemtoon: periodic /ˌpɪɹiˈɑdɪk/, horizontal /ˌhoɹəˈzɑn.təl/

Klanken die Nederlandstaligen lastig vinden:

  • Stemhebbende eindmedeklinker — /b/, /d/, /g/, /z/, /v/ niet verscherpen: organize /ˈɔɹɡənaɪz/, metalloid /ˈmɛtəlɔɪd/, reactive /ɹiːˈæktɪv/, columns /ˈkɑləmz/, behave /bɪˈheɪv/
  • /æ/ — opener dan de Nederlandse “e”: reactive /ɹiːˈæktɪv/, atom /ˈætəm/, alkali /ˈæl.kəˌlaɪ/, halogen /ˈhæl.ə.d͡ʒən/, react /ɹiːˈækt/

Zo oefen je met deze video

  1. Luister de hele video één keer zonder te spreken en noteer de woorden die je niet kent.
  2. Spreek zin voor zin na op normale snelheid en herhaal elke zin tot je ritme gelijk is aan dat van de spreker.
  3. Neem jezelf op en vergelijk met het origineel; let daarbij op woorden als atomic, organize, scientist.

Wat is de Shadowing-techniek?

Shadowing is een wetenschappelijk onderbouwde taalleermethode die oorspronkelijk is ontwikkeld voor professionele tolkentraining en gepopulariseerd door polyglot Dr. Alexander Arguelles. De methode is eenvoudig maar krachtig: je luistert naar native Engelse audio en herhaalt het onmiddellijk hardop — als een schaduw die de spreker volgt met slechts 1–2 seconden vertraging. In tegenstelling tot passief luisteren of grammaticadrills, dwingt shadowing je hersenen en mondspieren om echte spraakpatronen tegelijkertijd te verwerken en te reproduceren. Onderzoek toont aan dat het de uitspraaknauwkeurigheid, intonatie, ritme, verbonden spraak, luisterbegrip en spreekvaardigheid aanzienlijk verbetert — waardoor het een van de meest effectieve methoden is voor IELTS Speaking-voorbereiding en echte Engelse communicatie.

Shadowing-techniek: lees de volledige stap-voor-stap-gids →