NSB Reader provides high-school National Science Bowl practice.

Practice Tossups, Bonuses, or Both on your own, share a private multiplayer room, or use In-person for reader-led team practice.

The interface uses QBReader, created by Geoffrey Wu and its contributors. Answer checking uses qb-answer-checker.

Questions come from the U.S. Department of Energy's high-school sample questions. Use the flag beside a question to report an incorrect answer or formatting problem.

Practice instructions and keyboard shortcuts

No account is required. Preferences and starred questions are saved in your browser. Solo stats reset on reload; multiplayer scores and room state persist.