Guinness World Records
Find out all about the things that are the biggest, smallest, shortest, tallest or just all around MOST from the world’s recognized experts.
Kids version (linked above): Grades 2-8, Full version: Grades 9-12
National Geographic Kids
Tons of facts about topics kids love, including animals, history, geography, and the always popular “Weird but True.”
DK findout! Quizzes
“Test your knowledge on all your favorite subjects”
“Play thousands of free online trivia quizzes about Geography, History, Sports, Music, TV and more!”