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Dlaczego latawiec lata? Ta dynamiczna piosenka edukacyjna dla dzieci wyjaśnia w prosty sposób, jak wiatr, siła nośna, różnica ciśnień, kąt natarcia, linka, ogon i grawitacja pomagają latawcowi utrzymać się w powietrzu.
Original explanations based on the cited sources.
Two rays starting at the same point, called the vertex, form an angle. Its measure describes their opening; a full turn is 360°.
Sources
2:39A catchy cardboard-crocodile song shows how two angle arms begin at one shared vertex. Children discover that an angle changes when the arms turn, while shortening an arm without turning it leaves the angle unchanged.
3:17How does a waterfall begin, and why does its edge slowly move? This song shows gravity pulling river water over a rocky ledge, while the current carries sand and pebbles that wear away softer rock over a long time. It’s one common way waterfalls form.
2:19Follow Ola’s cheese-sandwich bite on an imaginary camera trip into her stomach. See how muscle movements mix the food, while gastric juice and enzymes help break it down before small portions move on to the small intestine.
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