Credits & sources
WhizKids is built on free, openly licensed material. Thank you to everyone who made it available — these notices are part of honouring those licences.
General trivia questions across many subjects.
Reviewed multiple-choice questions, used non-commercially.
A large community question set, including a for-kids collection.
Short summaries used for the post-answer explanations.
The typefaces used throughout the site.
Maths drills, the skill lessons and many kid-friendly questions are written for WhizKids itself. Questions from every source pass a safety filter before a child ever sees them.