What distinguishes this category from the others is the age of the competitors and the fact that they are students of any school.
There are no restrictions on the subjects. Similarly, all realization formats are approved: from a cartoon realized in first person to a voice narration.
Even photos and music can tell a fascinating geological phenomenon.
The imagination should not have any limits . . .
The jury will take into account the age difference, so you must not put younger students off, just because they will compete in the same category as university students.