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The book cannot be previewed or downloaded in order to preserve the copyright of the author and publishing house
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| Author: | تيري كاش |
| Category: | Child Rearing [Edit] |
| Language: | Arabic |
| Publisher: | دار الجديد السلسلة: استمتع مع العلوم |
| Release Date: | 01 Feb 2002 |
| Pages: | 40 |
| Rank: | 797,472 No 1 most popular |
| Short link: | Copy |
| More books like this book | |
اجلس هادئاً وأغمض عينيك واستمع إلى الأصوات التي تحيط بك من كل ناحية، حتى في الليلة الهادئة هناك أصوات كهدير السيارات البعيدة أو حفيف الأوراق أو نبضات قلبك، أي الأصوات يعدّ طبيعياً؛ هل التي تصدرها الحيوانات أم الأشجار أم الناس أم الرياح؟ هل الأصوات مرتفعة أم صاخبة؟ هادئة أم موسيقية؟ ستساعدك التجارب التي يحتويها الجزء الأول من هذا الكتاب في اكتشاف كيفية صدور الأصوات، وكيف تساعدنا الأذن في سماعها. وفي الجزء الثاني يمكنك الباحث في كيفية إصدار الآلات الموسيقية للأصوات وكيفية صنع مجموعة من الأدوات البسيطة. كالطبل والغيتار والإكسلفون والجرس والبانجو. وبالرجوع إلى المواضيع التي يغطيها هذا الكتاب المصور نجد أنها ستة مواضيع رئيسية هي: ما هو الصوت؟ سماع الصوت والصدى والضجة، سرعة الصوت، الموسيقى من الخيوط أو الأنابيب ومقام الصوت، الآلات الإيقاعية والموسيقى المسجلة، أصوات الحيوانات.
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