Denitsa Vasileva
Sofia High School of Mathematics “Paisiy Hilendarski” – Sofia (Bulgaria)
https://doi.org/10.53656/nat2021-6.06
Abstract. Balloons may be a thing children love playing with, but they also have different interesting physical properties such as the sound that is produced when something is put inside a balloon. The phenomenon of interest of this article is the one of gently rolling a coin in a balloon and exploration of the sound produced by this movement. It turns out that when a coin with edges is put in a balloon and is being rolled a buzzing sound is produced which varies in frequencies depending on the count of edges of the coin. This can be observed in non-laboratory conditions. Not many experiments have been conducted to explore this phenomenon.
Keywords: IYNT; buzzing sound; coin; balloon; frequency; velocity
Свързани статии:
ПЕДАГОГИКАТА В НАУЧНАТА СИСТЕМАТИКА НА ФРЕНСИС БЕЙКЪН
Modeling an Educational Environment Promoting the Development of Key Competencies in Preschool Age
THE LITERATURE OF THE BULGARIAN CATHOLICS IN A CHRESTOMATHY: HALLENGES OF LINGUODIDACTICS AND CULTURAL STUDIES
Toward Re-founding the Learning of Literature FN the Competence Approach
