O compunere in engleza cu titlul ''De ce este galagie in clasa'' (minim 250 cuvinte).
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Sound, a factor that is abundant everywhere, may it be highly urbanized areas or serene rural lands. One of the most common forms of sound is noise. The sound of clattering pots and pans through the kitchen, loud bangs coming from wooden doors, the screeching sound of loose windowpanes and most commonly, the sound of classroom noises, such as, high-pitched laughs of students, remotely loud claps, never-ending bickering, and thump during classroom discussions. Common complaints from neighboring classrooms are the disruption of their class due to the noise coming from the other party no matter how many times they confront this issue; nothing seems to be resolved on a daily basis. When people hear the word noise, they think of it negatively, such as it is useless and annoying. It interferes signals being transmitted, measurement being made, disrupts classes…show more content…
The said contraption is set to create a buzz as soon as noise collected exceeds the pre-set frequency of the device signaling students of the possible disturbances other facilities and rooms are hearing. The noise harnessed by the microphone coil in the device will be intensified through the device’s amplifier and will produce energy to partially power up the push up button, triggering the relay that will supply energy to the first contact, lighting up the Light Emitting Diode (LED) bulb. When the noise exceeds the certain decibel, the push up button will be fully energized, transferring energy to the relay, supplying energy to the second contact, activating the built-in siren. With this, students as well as their period adviser can minimize generated noise throughout the whole discussion. The researchers hope to create a device capable of producing a medium-ranged buzz that can be perceived by everyone in