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Повітря

Перевірка знань за темою "Повітря" з природознавства у 3 класі

Із чого складається повітря? суміш речовин
Який газ потрібен для дихання? кисень
Чого в повтрі найбільше? азот
Чого в повітрі найменше? інші гази
Де немає повітря? у космосі
Що відбувається з повітрям під час нагрівання? розширюється
Завдяки якій властивості повітря речі, наповнені водою не тонуть? повітря легше за воду
Що відбувається з повітрям під час охолодження? стискається
Created by: 2007759016103870
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