In this project we were tasked with creating different instruments that could play an entire octave
Sound is created when things vibrate and it is transmitted via waves. Depending on the frequency and wavelength of the wave you can make different sounds.
Transverse Waves - Waves that do not require a medium. They move perpendicular to the direction they travel in. Light moves in transverse waves.
Longitudinal Waves - Waves that require a medium to move. They move parallel to the direction they travel in. Sound utilizes longitudinal waves.
Wavelength - λ - The distance from crest to crest - λ=v/f
Frequency - f - The amount of waves in a given amount of time - f=v/λ
Wave Speed - v - The rate at which a wave moves - v=λf
Period - T - The duration of a wave
Amplitude - The distance from the center of a wave to its crest
Constructive Interference - When two waves meet in a way that both of their crests are lined up the amplitude is doubled.
Destructive Interference - When two waves meet in a way that a crest and a trough are located in the same place the sound is negated
Reflection - When a wave transfers from a medium into another, but bounces back into the first
Refraction - When light enters a different medium at an angle it pivots because the first part of the wave that enters the medium is slowed down while the other part keeps moving at the same speed. This results in the bending of the wave.
Doppler Effect - The increase or decrease of frequency of a sound as the source or observer move towards or away from each other.
Natural Frequency - The frequency at which something naturally vibrates at when disturbed
Reflection: I did not learn many things in this project relating to the social aspect of the STEM class. I did like my group and felt that they did their fair share of work. One "peak" of this project was getting to bottles to finally play the right sound. One of the "pits" was trying to get the bottles tuned. It was a very long and tedious process.