Here is some online quantum information to explore
Resources from other competitions
Quantum Shorts: Inspiration | Quantum Shorts (quantumlah.org)
Quantum City: "An everyday guide to quantum science"
Resources about quantum technologies
UK Quantum Technologies Programme resources aimed at 16 - 18 year olds
Learn about coding a quantum computer using IBM Quantum resources and Qiskit: Login - IBM Quantum
Documentaries and talks about quantum science
Royal Institution lecture by Sean Caroll: A Brief History of Quantum Mechanics - with Sean Carroll - YouTube
Quantum articles on PLUS maths magazine
These are just a few online examples - there is lots more information about quantum science and technology, in books, videos, articles and more, out there to explore!