In unit 5, we explored waves, for the summative in this unit, we had to make a musical instrument to demonstrate our knowledge to waves, my question for the experiment is How does the tension of the string (rubber band) affect the frequency of the sound emitted when plucked?
What was the hardest part of this task? Easiest?
The hardest part of this task was measurement, I couldn’t measure the distance accurately which caused some errors occurred during the experiment. Also, building the instrument made the task became harder, it is also due to distance, the distance the string and the size of the soundhole could not be measured accurately.
One of the Approaches to Learning (ATL) suggested for Science in the MYP is stated below:
Social skills–Practise giving feedback on the design of experimental methods
Discuss the statement above as you reflect on your planning and building of your instrument.
My procedures for this experiment are successfully created and they were mostly followed correctly, However, they still need to be more detailed due to some errors occurred during the experiment which means I have to improve on the details in the next time.
How successful was your instrument in the 5 tests? Which test(s), if any, did your instrument fail? Be honest! Discuss your ideas on how to improve your instrument. There were some measurement errors in the model. However, I controlled them pretty well except the measurement error as I mentioned in the first question. My instrument worked pretty well, it sounded as I expected.
Discuss why you built the instrument you did? Do you play a similar instrument? Was it an instrument you thought would be easy to be successful building, intrigued or challenged you? I built three guitar models for the experiment, I like how string instrument sound when plucked, I also play guitar in real-life.
I expected this to be very hard because it was hard to control the distance of the strings.