Visit the grade 9 Control Freak! unit for Arduino tutorials.
Below are links to more resources to help you learn how to build electronics with Arduinos and circuitry.
https://makezine.com/category/technology/arduino/
https://www.instructables.com/circuits/arduino/projects/
https://circuitdigest.com/arduino-projects
https://learn.sparkfun.com/tutorials/sparkfun-inventors-kit-experiment-guide---v40/introduction
Learn basic circuitry and programming through:
TinkerCAD > Circuits area