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Dlaczego ciasto rośnie w piekarniku? Co robią ukryte w nim pęcherzyki powietrza, dwutlenek węgla i para wodna?
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3:13Maja turns on the TV and wonders how a fish can swim across the screen—and where its splash comes from. This song explores how a signal guides pixels and speakers, how changing still pictures appear to move, and how a vibrating speaker moves the air to make sound.
2:55Ola and her dog discover why it feels cooler beneath a tree and how trees support people, animals, and the neighborhood. This cheerful children’s song also introduces leaves, oxygen, roots, and rain while showing that a sapling needs the right place, regular care, and time to grow.
2:47Why does the Sun rise later and set earlier in Poland during winter? This curious, rhythmic children’s song shows how Earth’s tilted axis gives Poland less time in sunlight. A simple lamp-and-globe model helps explain day, night, and the Sun’s low-looking path as seen from Earth.
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