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Источники энергии

ольга комарова on May 06 2019
53 views

Мы включаем лампочку, и не задумываемся, откуда берётся энергия для того, чтобы она светила. А Серёжа и Лена задумались. Выяснилось, что источники энергии бывают возобновляемые и невозобновляемые. Попутно дети узнали, как работают различные типы электростанций.

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