In my STEAM class, Light, Sound, and Time, we have been focusing on the vibrations that come from guitars. We visited Chicago Music Exchange for an FE, and we learned about the different guitars and why some cost much more then others. We learned about the guitar and how each part of the guitar does something to help produce sound. The guitar strings can be made with different materials, which would give the guitar a different pitch because each different material produces a different sound. It can also have a different pitch based off of the thickness, tension, and length of the string. For this AP, we made a Diddley Bow for our project. We had to bring in a can and battery and Adam gave us wood, screws, and guitar strings. Making the Diddley Bow was the hard part. I struggled with making sure that the guitar string was tight so that there could be a noise coming from the Diddley Bow. Adam helped me with making sure that the string was tight so that the instrument can produce sound. Down below you will see all of my measurements and pictures of my Diddley Bow. Enjoy!
Thickness of String: 0.04 in.
KRM, Measurements of Center of the Diddley Bow (2019)
These are the measurements that I found for my Diddley Bow and the angle that the string and wood have.
KRM, Harmonic Calculations (2019)
These are the 4 harmonics, with the wavelength of 1.471m and a frequency of 233.1 Hz. You find the wavelength by dividing 343 over the frequency of your harmonics.
343/frequency
343/233.1
= 1.471 (wavelength)
KRM, Labeled Diddley Bow (2019)
This is the Diddley Bow that I created. As you can see, I labeled each part of the Diddley Bow with another name because that is what each object is representing. The Diddley Bow makes its sound from vibration that resinates in the can when you pluck the string with your finger. It demonstrates the key science to our Internal Investigation because you can see the amplitude if you pull the string hard or soft. The wavelength of the string is in the middle on the Diddley Bow, so the nut to the string to the bridge (the whole in the middle of the can).
KRM, Harmonics (2019)
We had to mark the harmonics on our instrument because it shows where each harmonic is when the string is played.
KRM, Different Angle (2019)
KRM, Different Angle (2019)
These are other images of the Diddley Bow with different angles so that you can see everything that was done to the instrument for it to work.
Here is a video of my playing my instrument. Unfortunately, I was not able to use a tuner for different sounds so my Diddley Bow only plays one tune.
In conclusion, making the Diddley Bow was very fun and I enjoyed working on this AP. Adam helped me which was great because I could not put the nails through the wood. I hope that you were able to learn something new and I can't wait for what we are learning new unit. Thank you!
This is my last AP in my Humanites elective class called Global Peace. In this class we have been working on nonviolent acts that help with violent acts that are going on all around the world. We had to creat some type of challenge as our nonviolent act. I chose to do turns that most people can not do in the world. I will have people come and give away their clothes to drives that are taking clothes because there are people in this world that need the clothes more. We hade to write a paper with 500 words or more to explain what you are doing and how your act helps with the world and we also had to create a slideshow or video to show the challenge that we decided to take. I hope you enjoy my project and hopefully you want to give away clothes that you no longer need to people that really need these items in life. Paper Video In conlusion I enjoyed working on this AP and I hope that the rest of this year teached you something from my AP's.
In my elective course called Global Peace, we have been focusing on the Gandhi principles and how people use these principles throughout their lives. For the AP, we had to type a 4-6 page paper about an activist that we chose, according to a list of activist that the teacher gave us. I chose Deray Mckesson to be the activist that I wrote my paper on. The process of this paper was very interesting and intense. I felt like I was going to struggle a lot with this paper because I was nervous. Sharon helped me by giving me corrections and helping me with the guide of the paper. Once I recieved all of the corrections from Sharon and applied them to my paper, that helped me a lot and I was able to continue to work on my paper. The rubric that Sharon gave the class was extremely helpful and that helped me with knowing exactly what to put on my paper because I was confused on what to talk about with the paper especially since it is a 4-6 page paper. Overall, the paper turned out fine and I fin...
In my STEAM class, Urban Planning, we finished our second unit, Power, and we learned a lot about circuits and eco friendly home appliances. For this unit, we went to the Museum of Science and Industry to watch the Tesla coil be set off. That was a really cool experience because I wasn't expecting for the coil to be that loud. We have been studying circuits and how to make them. We learned about the different symbols that are used for circuits when you draw them out. For this AP, we were paired up with another person in our class and that made the process of this project better because there was a lot of work that had to be done for this AP. The format for this AP, was slideshow format. In our slideshow, you will see the circuit that we created, the eco friendly home appliances that each resistor is representing, calculations, and more. We had to talk about how this AP connected with SDG 7 and why we chose it. You will learn about the circuit that we designed and the home applianc...
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