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.

portrait of Mother Teresa
December 18, 2015, 3:20 p.m.
Mother Teresa will soon be made a saint. How much do you know about the tiny nun with the huge heart who did so much for the poor?
Semi-precious rocks, minerals and gems
December 10, 2015, 11:37 a.m.
How well-versed are you with our planet's fascinating geology? Test your knowledge and find out.
Guess the critter by the tail.
November 16, 2015, 11:05 a.m.
Take the tail end of a hint and see if you know the answer!
A hand letting soil fall to into a pile
November 4, 2015, 12:18 p.m.
How much do you really know about the ground under your feet? Test your knowledge with this quiz.
Herbal remedy quiz
October 16, 2015, 8:44 a.m.
There's a whole medicine chest in the garden. Do you know which plants to use for what ailments? Test your holistic herb wits with this quiz.
horror woman behind glass
October 14, 2015, 6:55 p.m.
When your head hits the pillow at night, do creatures lurk? See how much your know about terrifying dreams.
Many dog breeds have distinctive ears. Can you identify them?
October 13, 2015, 12:15 p.m.
Many breeds have stand-out physical characteristics that make it easy to identify them, but can you name the dog by its ears?
Cephalopod Awareness
October 2, 2015, 8:59 a.m.
Most people know what an octopus is, but what about the rest of the cephalopods living in the ocean? Here's a quiz to test your cephalopod knowledge.
cup of coffee with a heart in the foam
September 28, 2015, 2:25 p.m.
Can you live without your morning coffee or afternoon soda? See how savvy you are about your daily buzz.