nesverzhskaya gymnasium and seilovechi school. the kay effect is the formation of jumping jets.lling stream in our case is a stream of shampoo, it flows onto a solid. surface, it forms such coils, uh, between which there is a layer of air, and when, uh, the falling jet exerts additional pressure, the threads are deformed and depressions are formed there, due to this depression , streams then jump out, the effect is jumping streams and the formation of loops, it lasts about 300 millisends. in the regional research competition more than 200 schoolchildren from the central region are participating. they present their projects in 9 areas, from physics, computer science to history and literature. the winners will represent the minsk region at the republican stage next year. mood for winter. minsk is ready for frosty activities, the first kilometer has opened