Ardavan khodaparast kian dehghani

Nov 30, 2014

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Ardavan khodaparast kian dehghani. ماده از ذرات کوچکی به نام مولکول تشکیل شده است. ساختمان مواد. هرماده حجم و رنگ وبوومزه ی خاصی دارد. ما از این خاصیت ها برای شناسایی مواد استفاده می کنیم. مولکول هر ماده با ماده ی دیگر متفاوت است و به. مولکول ها ی مواد حرکت کند و تند دارند. یک قاشق شکر.

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Ardavan khodaparast kian dehghani

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