DIY Electromagnet: More or Less Coils?
Applied Technology- Grade:
- 6
- Teacher:
- Norman Dejan
Our project, “DIY Electromagnet: More or Less Coils?”, investigates how the number of wire coils affects the performance of a homemade electromagnet. We chose this project because electromagnets are used in many everyday technologies like motors, doorbells, and cranes, and we wanted to understand how changing one variable could affect how they work. In our experiment, we built two electromagnets—one with more coils and one with fewer coils—and compared their temperature and performance. Our results showed that the electromagnet with fewer coils became warmer, which did not support our original hypothesis that more coils would produce stronger and hotter results. Our overall conclusion is that the number of coils affects how an electromagnet functions, but more coils do not always mean better performance. This project is important because it helps explain the science behind electromagnets and shows how engineers must carefully design electrical devices to balance strength, efficiency, and heat.
Strong topic and good use of research with citations.
Good data collection on temperature across trials.
This project did a great job investigating how the number of coils affects an electromagnet. I like how you compared your results and explained what you discovered. You showed clear thinking and careful testing. Well, done.
You designed a thoughtful physics experiment comparing electromagnets with different numbers of coils. I was impressed that you collected multiple temperature readings and recognized that your hypothesis was not supported by the results. Scientists grow the most when results are unexpected, and you handled that well. Your project clearly shows curiosity about how electromagnets work in real-world applications. Great effort and solid scientific thinking!
You asked a question, built something with your own hands, collected real data, and discovered something surprising. That is exactly what scientists do. The most important moment in your project was when you realized your hypothesis was not supported, and instead of stopping, you thought about what it meant for real world engineering. That is how breakthroughs happen. Keep asking questions, keep testing, and keep being curious. You are thinking like a true scientist.