MNN Quizzes

So you think you know everything about Harry Potter, alternative energy or sharks?

Whether you're a trivia addict with a competitive streak or just have a thirst for knowledge, there's probably an MNN quiz for you.

Test your knowledge with these fun, free online quizzes.

If quizzes aren't your thing, check out MNN Lists.

Coral reefs are home to an abundance of sea food
July 6, 2016, 12:36 p.m.
These unusual creatures are stunningly beautiful and surprisingly important to life on Earth, so show us what you know!
A herd of bison in the snow
July 5, 2016, 12:33 p.m.
Test your knowledge of this species that's so critical to North America's ecology.
Spaghetti being twirled onto a fork from a spoon
July 1, 2016, 7:40 a.m.
Different countries have different dining customs. Do you know how to avoid being offensive at the dinner table, no matter where the table is?
A farm animal sniffs and licks a human hand
June 24, 2016, 10:52 a.m.
Animals use their senses to detect other animals, communicate and do some wild things. Can you identify the super senses of these animals?
The Himalayan mountain range in Nepal
June 19, 2016, 7:03 p.m.
They're massive, they're all-natural and, in most cases, they're millions of years older than we are. So how were these amazing landforms created?
woman with sleep mask on
June 14, 2016, 12:10 p.m.
Few things are better than a good night's sleep — that blissful state when the body is suspended for periods of glorious unconsciousness. But what else do you know about catching the proverbial Zs? Find out if you're a sleep genius and take our quiz.