Shadowing-Übung: KS3 Chemistry - The periodic Table - Englisch Sprechen Lernen mit Video
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In this video we're going to learn about the periodic table.
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So we'll cover what the periodic table tells us about the structure of atoms in different elements, how the table organises elements into metals and non-metals,
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what groups and periods are, and then also how patterns in reactions can be predicted using the periodic table.
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Let's begin by looking at what the periodic table tells us about different elements.
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Now the periodic table organises all of the known elements, and everything in the universe is created from different combinations of the elements in this table.
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Each element is shown in a separate box, so for instance this box shows copper and this one shows oxygen.
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If we use sodium as an example, we can see that every box contains three pieces of key information.
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Firstly we can see the one or two letter symbol for each element, in this case it's Na which stands for sodium.
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Next we can also see the number of protons each atom of that element has.
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Then lastly we can see this larger number here
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which tells us the total number of protons plus neutrons in an atom of that element.
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So now let's move on to see how the periodic table organises elements.
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Just like a book the periodic table is read from left to right and from top to bottom, with the elements arranged in order of an increasing number of protons.
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Sometimes you might see a zigzag line running along here, and this line separates the metals, shown here in orange, from the non-netals here on the right, shown in blue.
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Now the table's organised into vertical columns called groups and horizontal rows called periods.
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So starting on the far left, we have group 1, then groups 2, 3, 4, 5, 6, and 7.
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And then at the end, rather than group 8, it goes to group 0.
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Group 1 elements are known as the alkali metals, whilst group 7 are the halogens, and group 0 are the noble gases.
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This block in the middle here are all metals, but you don't need to worry about their group numbers, so just remember to skip them when you're counting your groups.
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Then to finish up, let's take a look at how patterns in reactions can be predicted using the periodic table.
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The first thing to know is that the elements within a group usually all have similar chemical properties.
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As an example, all the elements in group 1 here react strongly with water, and they're all soft and shiny.
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Meanwhile, all the elements in group 0 are really unreactive, which basically means that they're very unlikely to react with anything else.
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There are also patterns within groups though.
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In the case of group 1, they become more reactive as you go down the group.
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What this means is that even though all the elements are reactive, the elements lower down in group 1 react much more strongly than those higher up in the group.
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For instance, when lithium reacts with water it just fizzes a bit, but when rubidium reacts with water it explodes violently.
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On the other hand, if we look at group 7, the elements become less reactive as you go down the group.
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So fluorine is the most reactive while astartine is the least reactive.
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If you haven't heard yet you can find all of our videos on our website cognito.org.
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You'll also find questions, flashcards, exam style questions and past papers.
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And we track all of your progress so that you always know what to study next.
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sign up for free by clicking here or browse our playlist here on YouTube.
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Wortschatz und Sprechhinweise zu dieser Lektion
Diese Sprechübung auf Niveau C1 basiert auf dem Video „KS3 Chemistry - The periodic Table“. Diese Wörter kommen am häufigsten vor: element, table, periodic, reactive, metals. Dieses Video enthält 33 Sätze und 599 Wörter zum Nachsprechen. Der gesprochene Teil dauert 3:42. Der Sprecher spricht in natürlichem Tempo, etwa 162 Wörter pro Minute, ähnlich wie im Alltagsgespräch. 84 % der Wörter gehören zu den 3.000 häufigsten im Englischen; den Rest solltest du dir vor dem Üben ansehen.
Wichtiger Wortschatz in diesem Video
Die 15 anspruchsvollsten Wörter aus dem Video, mit Aussprache und Bedeutung:
| Wort | Aussprache | Bedeutung |
|---|---|---|
| periodic Adjektiv | /ˌpɪɹiˈɑdɪk/ | periodisch |
| proton Substantiv | /ˈpɹoʊ.tɑn/ | Proton |
| atom Substantiv | /ˈætəm/ | Atom |
| sodium Substantiv | /ˈsəʊ.di.əm/ | Natrium |
| predict Verb | /pɹɪˈdɪkt/ | prophezeien |
| alkali Substantiv | /ˈæl.kəˌlaɪ/ | Alkali |
| flashcard Substantiv | /ˈflæʃˌkɑɹd/ | Lernkarte, Lernkartei |
| fluorine Substantiv | /ˈflʊ(ə)ɹˌin | Fluor |
| halogen Substantiv | /ˈhæl.ə.d͡ʒən/ | Halogen |
| neutron Substantiv | /ˈnu.tɹɑn/ | Neutron |
| rubidium Substantiv | /ˌɹuːˈbɪd.i.əm/ | Rubidium |
| zigzag Substantiv | /ˈzɪɡ.zæɡ/ | Zickzack |
| lithium Substantiv | /ˈlɪθi.əm/ | Lithium |
| browse Verb | /bɹaʊz/ | blättern, durchsuchen |
| playlist Substantiv | /ˈpleɪˌlɪst/ | Wiedergabeliste, Playlist |
Phrasal Verbs, die du hören wirst
| Wort | Bedeutung |
|---|---|
| go down Verb | absteigen, hinabsteigen |
| run along Verb | gehen |
Aussprache, auf die du achten solltest
Der Sprecher verwendet 8 Kurzformen und abgeschwächte Formen, zum Beispiel they're, don't, haven't. Sprich sie in der kurzen Form, so wie du sie hörst.
- Die Laute „sh“ und „zh“: flashcard /ˈflæʃˌkɑɹd/, combinations /kɑmbɪˈneɪʃənz/
- Lange Wörter – auf die Betonung achten: periodic /ˌpɪɹiˈɑdɪk/, rubidium /ˌɹuːˈbɪd.i.əm/, violently /ˈvaɪ(ə)ləntli/, combinations /kɑmbɪˈneɪʃənz/, horizontal /ˌhoɹəˈzɑn.təl/
So übst du mit diesem Video
- Höre dir das ganze Video einmal an, ohne zu sprechen, und notiere die Wörter, die du nicht kennst.
- Beginne mit 0,75-facher Geschwindigkeit, sprich Satz für Satz nach und wechsle zur normalen Geschwindigkeit, sobald es leichtfällt.
- Nimm dich auf und vergleiche mit dem Original; achte dabei auf Wörter wie periodic, proton, atom.
Was ist die Shadowing-Technik?
Shadowing ist eine wissenschaftlich fundierte Sprachlerntechnik, die ursprünglich für die professionelle Dolmetscherausbildung entwickelt und durch den Polyglotten Dr. Alexander Arguelles populär gemacht wurde. Die Methode ist einfach aber wirkungsvoll: Du hörst englisches Audio von Muttersprachlern und wiederholst es sofort laut — wie ein Schatten, der dem Sprecher mit nur 1–2 Sekunden Verzögerung folgt. Anders als passives Hören oder Grammatikübungen zwingt Shadowing dein Gehirn und deine Mundmuskulatur, gleichzeitig echte Sprachmuster zu verarbeiten und zu reproduzieren. Studien zeigen, dass es Aussprachegenauigkeit, Intonation, Rhythmus, verbundene Sprache, Hörverständnis und Sprechflüssigkeit signifikant verbessert — was es zu einer der effektivsten Methoden für die IELTS Speaking-Vorbereitung und reale englische Kommunikation macht.