This is the 13845th most frequent Polish word.
polegających
"Based on" or "relying on."
The word 'polegających' is used here as a present participle describing the workshops, indicating the nature of the workshops focusing on practical exercises.
Warsztaty polegających na praktycznych ćwiczeniach są bardzo popularne.
The workshops involving practical exercises are very popular.
In this sentence, 'polegających' modifies the noun 'methods', illustrating that the methods are based on or consist of creative thinking.
Studenci dyskutowali o metodach polegających na kreatywnym myśleniu.
Students were discussing methods relying on creative thinking.
Here 'polegających' is used to describe the projects, showing that the projects are characterized by or depend on group collaboration.