Download the buoyancy.zip file and open it in Xcode.
The application is only compatible with iPhone 11, I still have to arrange some constraints.
A video of the app is available in the repository. It demonstrates how the application works.
"All About Buoyancy" aims to help high school students learn more about buoyancy by implementing the topic into simple games. For more information, you could download paper via the pdf file in this repository.