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Введение. Для учащихся 7 классов

Физика изучает явления, происходящие в окружающем мире.
Явления- изменения в природе.
Физическое тело - объект.
Тела сделаны из вещества.
Вещества делятся на простые и сложные.
Вещество состоит из молекул.
План познания природы: наблюдение-факты-гипотеза (или гипотезы)- эксперимент- выводы.
Created by: Veronichka
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