تدريب Shadowing: Science in English #3 | The Periodic Table - تعلم التحدث بالإنجليزية عبر الفيديو

جارٍ إنشاء الدرس...
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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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المفردات وملاحظات التحدث لهذا الدرس

هذا الدرس في المحادثة بمستوى B1 مبني على الفيديو “Science in English”. أكثر الكلمات تكرارًا في الفيديو: element, atomic, table, periodic, metals. يحتوي هذا الفيديو على 57 جملة و427 كلمة للتدرب على الترديد. مدة الكلام 3:40. يتكلم المتحدث بسرعة ثابتة، نحو 117 كلمة في الدقيقة، وهي سرعة مريحة للترديد. 81% فقط من الكلمات ضمن أكثر 3,000 كلمة شيوعًا في الإنجليزية، فالمفردات صعبة نسبيًا.

أهم المفردات في هذا الفيديو

أصعب 14 كلمة في الفيديو، مع النطق والمعنى:

الكلمةالنطقالمعنى
atomic صفة/əˈtɑː.mɪk/نَوَوِيّ, ذَرِّيّ
organize فعل/ˈɔɹɡənaɪz/نَظَّمَ
scientist اسم/ˈsaɪəntəst/عَالِم, عَالِمَة
atom اسم/ˈætəm/ذَرَّة
hydrogen اسم/ˈhaɪdɹəd͡ʒ(ə)n/هَيْدُرُوجِين, هِيدْرُوجِين
alkali اسم/ˈæl.kəˌlaɪ/قَلَوِيّ
horizontal صفة/ˌhoɹəˈzɑn.təl/أُفُقِيّ
behave فعل/bɪˈheɪv/تَصَرَّفَ
arrange فعل/əˈɹeɪnd͡ʒ/رَتَّبَ
divide فعل/dɪˈvaɪd/قَسَّمَ
combine فعل/kəmˈbaɪn/ضَمَّ, جَمَعَ
vertical صفة/ˈvɝ.tɪ.kəl/عَمُودِيّ, رَأْسِيّ
noble صفة/ˈnoʊbəl/كَرِيم, شَرِيف
symbol اسم/ˈsɪmbəl/رَمْز, عَلَامَة

جمل تستحق التكرار

جمل قصيرة وكاملة من الفيديو يمكنك استخدامها في الحديث اليومي:

  • 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.

القواعد في هذا الفيديو

أكثر التراكيب التي يستخدمها المتحدث، مع العبارات نفسها من الفيديو:

التركيبفي الفيديو
المبني للمجهول be + اسم المفعول — التركيز على ما يحدث لا على من يفعلهis compared · are called · is arranged
المستقبل بـ “will” will + فعل — قرار أو وعد أو توقعwill understand · will learn · will also identify

نطق يحتاج إلى انتباه

  • الكلمات الطويلة — انتبه لموضع النبر: periodic /ˌpɪɹiˈɑdɪk/, horizontal /ˌhoɹəˈzɑn.təl/

أصوات يجدها متحدثو العربية صعبة:

  • /v/ — ليس /f/: مع اهتزاز الأوتار الصوتية: reactive /ɹiːˈæktɪv/, behave /bɪˈheɪv/, divide /dɪˈvaɪd/, vertical /ˈvɝ.tɪ.kəl/
  • تتابع الصوامت — لا تضف حركة بينها: scientist /ˈsaɪəntəst/, columns /ˈkɑləmz/, arrange /əˈɹeɪnd͡ʒ/, react /ɹiːˈækt/

كيف تتدرب بهذا الفيديو

  1. استمع إلى الفيديو كاملًا مرة واحدة دون أن تتكلم، ودوّن الكلمات التي لا تعرفها.
  2. ردّد جملة جملة بالسرعة العادية، وكرّر كل جملة حتى يتطابق إيقاعك مع المتحدث.
  3. سجّل صوتك وقارنه بالأصل، مع الانتباه إلى كلمات مثل atomic, organize, scientist.

ما هي تقنية التظليل الصوتي؟

التظليل الصوتي (Shadowing) تقنية تعلم لغة مدعومة علمياً، طُورت أصلاً لتدريب المترجمين الفوريين المحترفين. الطريقة بسيطة لكنها قوية: تستمع لصوت إنجليزي أصلي وتكرره فوراً بصوت عالٍ — كظل يتبع المتحدث بتأخير 1-2 ثانية. تُظهر الأبحاث تحسناً كبيراً في دقة النطق والتنغيم والإيقاع وربط الأصوات والاستماع والطلاقة.

تقنية الشادوينغ: اقرأ الدليل الكامل خطوة بخطوة →