Pratica di Shadowing: Science in English #3 | The Periodic Table - Impara a parlare inglese con i video

Creazione lezione...
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Ahem.
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Good morning, everyone.
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Today we are going to learn about the periodic table.
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Think of it as a map of all known elements.
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Just like a map helps you find places, the periodic table helps scientists organize the building blocks of matter.
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Let's get started.
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Let's begin with a simple comparison.
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The English language has only 26 letters.
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Yet, those 26 letters can create millions of words and sentences.
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Nature is very similar.
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About 118 elements combine to create everything around us.
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So where can we find all these elements?
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We can find them in the periodic table.
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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 the periodic table is.
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You will learn about atomic number and atomic mass.
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You will also identify groups and periods.
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Finally, you will recognize metals, nonmetals, and metalloids.
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So what is the periodic table?
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It is a chart that organizes all known elements.
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Each element has four important pieces of information.
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Its name, its chemical symbol, its atomic number, and its atomic mass.
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Now let's look more closely at these numbers.
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The atomic number is like an ID card.
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It tells us exactly which element it is.
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For example, hydrogen has an atomic number of one.
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Carbon has an atomic number of six.
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has an atomic number of 1.
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Carbon has an atomic number of 6.
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Gold has an atomic number of 79.
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The atomic mass tells us how heavy an atom is compared with a hydrogen atom.
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Not all elements are the same.
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Scientists divide them into three main categories.
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Metals Metals are usually shiny and conduct electricity well.
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Nonmetals do not conduct electricity well.
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Metalloids have properties of both metals and nonmetals.
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Each category has its own unique properties.
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Now let's learn how to read the periodic table.
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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.
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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.
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Group 17 contains the halogens.
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They are reactive non-metals.
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Group 18 contains the noble gases.
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These elements are very stable and rarely react with other elements.
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Let's review what we have learned today.
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The periodic table organizes all known elements.
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Each element has an atomic number and an atomic mass.
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The table is arranged into periods and groups.
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Elements in the same group have similar properties.
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The periodic table helps scientists understand and compare all known elements.
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Thank you for listening.
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Vocabolario e note di pronuncia per questa lezione

Questa lezione di conversazione di livello B1 si basa sul video “Science in English”. Le parole che ritornano più spesso: element, atomic, table, periodic, metals. Questo video contiene 57 frasi e 427 parole da ripetere con lo shadowing. Il parlato dura 3:40. Chi parla mantiene un ritmo costante di circa 117 parole al minuto, comodo per lo shadowing. Solo il 81% delle parole rientra nelle 3.000 più comuni dell’inglese, quindi il lessico è impegnativo.

Vocaboli chiave di questo video

Le 15 parole più avanzate del video, con pronuncia e significato:

ParolaPronunciaSignificato
atomic aggettivo/əˈtɑː.mɪk/atomico
periodic aggettivo/ˌpɪɹiˈɑdɪk/periodico
nonmetal sostantivonon-metallo
organize verbo/ˈɔɹɡənaɪz/organizzare
scientist sostantivo/ˈsaɪəntəst/scienziato, scienziata
metalloid sostantivo/ˈmɛtəlɔɪd/metalloide, semimetallo
atom sostantivo/ˈætəm/atomo
hydrogen sostantivo/ˈhaɪdɹəd͡ʒ(ə)n/idrogeno
alkali sostantivo/ˈæl.kəˌlaɪ/alcali, base
halogen sostantivo/ˈhæl.ə.d͡ʒən/alogeno
horizontal aggettivo/ˌhoɹəˈzɑn.təl/orizzontale
behave verbo/bɪˈheɪv/comportarsi, agire
arrange verbo/əˈɹeɪnd͡ʒ/disporre, ordinare
divide verbo/dɪˈvaɪd/dividere, dividersi
combine verbo/kəmˈbaɪn/combinare, mischiare

Frasi da ripetere

Frasi brevi e complete del video che puoi riutilizzare nella conversazione di tutti i giorni:

  • 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.

La grammatica di questo video

Le strutture che chi parla usa di più, con le parole esatte del video:

StrutturaNel video
Forma passiva be + participio passato — conta ciò che accade, non chi lo fais compared · are called · is arranged
Futuro con “will” will + verbo — una decisione, una promessa o una previsionewill understand · will learn · will also identify

Pronuncia a cui fare attenzione

  • Parole lunghe — attenzione all’accento: periodic /ˌpɪɹiˈɑdɪk/, horizontal /ˌhoɹəˈzɑn.təl/

I suoni difficili per chi parla italiano:

  • /h/ — va soffiata, non è muta: hydrogen /ˈhaɪdɹəd͡ʒ(ə)n/, halogen /ˈhæl.ə.d͡ʒən/, horizontal /ˌhoɹəˈzɑn.təl/, behave /bɪˈheɪv/
  • Consonante finale — senza aggiungere una vocale dopo: atomic /əˈtɑː.mɪk/, periodic /ˌpɪɹiˈɑdɪk/, organize /ˈɔɹɡənaɪz/, scientist /ˈsaɪəntəst/, metalloid /ˈmɛtəlɔɪd/
  • /æ/ — più aperta della “e”: reactive /ɹiːˈæktɪv/, atom /ˈætəm/, alkali /ˈæl.kəˌlaɪ/, halogen /ˈhæl.ə.d͡ʒən/, react /ɹiːˈækt/

Come esercitarsi con questo video

  1. Ascolta tutto il video una volta senza parlare e annota le parole che non conosci.
  2. Fai shadowing frase per frase a velocità normale, ripetendo ognuna finché il tuo ritmo coincide con quello di chi parla.
  3. Registrati e confronta con l’originale, facendo attenzione a parole come atomic, periodic, nonmetal.

Cos'è la tecnica dello Shadowing?

Shadowing è una tecnica di apprendimento delle lingue supportata da studi scientifici, originariamente sviluppata per la formazione dei traduttori professionisti e resa popolare dal poliglotta Dr. Alexander Arguelles. Il metodo è semplice ma potente: ascolti un audio in inglese di madrelingua e lo ripeti immediatamente ad alta voce — come un'ombra che segue il parlante con un ritardo di solo 1–2 secondi. A differenza dell'ascolto passivo o degli esercizi di grammatica, lo shadowing costringe il tuo cervello e i muscoli della bocca a elaborare e riprodurre simultaneamente i modelli di discorso reale. La ricerca dimostra che migliora significativamente la precisione della pronuncia, l'intonazione, il ritmo, il discorso connesso, la comprensione dell'ascolto e la fluidità del parlato — rendendolo uno dei metodi più efficaci per la preparazione alla prova di speaking dell'IELTS e per la comunicazione reale in inglese.

Tecnica dello shadowing: leggi la guida completa passo dopo passo →