تمارين للمراجعة في مادة العلوم الفيزيائية

[أبو محمود]

السلام عليكم
اضع بين ايديكم مجموعة من التمارين

thumbdownالوضعيات الادماجية على الرابط التالى

http://www.4shared.com/document/KrWOc1Wh/Livret_02_evaluation_prog_4_AM.html

مجموعة من التمارين للمراجعة والاستدراك
في الملف المرفقthumbdown

[أبو محمود]

اختبر نفسك مع هذه الوضعية
غرفه داخل منزل مغلقه اغلاق تام و داخل الغرفه مصباح
خارج الغرفه يوجد 3 مفاتيح ... لكن يوجد

مفتاح واحد فقط خاص بمصباح الغرفه ...

ولكن للاسف لا يمكن ان نرى الاضاءة من الخارج ...اذا وصلنا المفتاح الخاص بالمصباح

الا اذا تم فتح باب الغرفه

لان الغرفه مغلقه اغلاق تام ...

لك ان تستخدم المفاتيح الثلاث كما يحلو لك باى عدد من المرات و لكن بشرط و هو انه لا يوجد سوى

فرصه واحده فقط لكى تفتح الباب و ترى المصباح مضيئ ام غير مضيئ

... لذا كيف نعرف من الخارج

اى مفتاح فيهم يخص المصباح

[أبو محمود]

التمرين رقم6 والتمرين رقم 14 + الوضعية رقم 23من الملف المرفق 8 تحميل
هي امتحان شهادة التعليم المتوسط لهذا العام مبروك لمن حمل المواضيع
من طلب العلا سهر الليالي

[أبو محمود]

حل الوضعية
بناءا على مفهوم الطاقة وتحولاتها
نرقم القاطعة الأولى والثانية والثالثة
نغلق القاطعة الاولى وننتظر 10 دفائق ثم نغلق القاطعة الثانية ونفتح الباب
ادا كان المصباح متوهج فهي القاطعة التانية
اذا كان غير ذلك وهناك تحويل حرارى من المصباح تكون القاطعة الاولى
واخيرا يمكنه معرفة القاطعة الثالثة اذا لم يجدث توهج أوتحويل

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