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.

Hollywood sign during bright daylight.
June 30, 2015, 4:17 p.m.
Sometimes scientists infuse some pop culture into their species names. Can you match the celeb to the critter?
what handwriting reveals about you
June 1, 2015, 12:19 p.m.
Want to delve inside someone's subconscious? Graphology might hold a key.
Turtle looking at camera
May 21, 2015, 1:52 p.m.
They are found all over the world including the wide open sea. How much do you know about these ancient shelled reptiles?
beautiful beach with waves hitting the shore
May 20, 2015, 3 p.m.
You go to the beach to relax and soak up the sun. But how much do you really know about the waves and the sand?
frog and leaf
May 19, 2015, 7:54 a.m.
Frogs and toads are found all around the world, with a spectacular diversity in size, shape, habitat and habits. How much do you know about these amazing creatures?
Why People Enjoy Fragrance
May 12, 2015, 12:36 p.m.
SC Johnson discloses fragrance ingredients in its products to help consumers make even more informed choices for their families. Take this quiz to see how much you already know.
Lucy
May 5, 2015, 9:30 a.m.
Let's see how well you know your own species' family tree.
pair of kidneys
April 30, 2015, 2:57 p.m.
What do you know about your kidneys? They don't get the acclaim of the brain or the heart, but these small organs work nonstop to keep you healthy.
polar bear cub
April 24, 2015, 10:09 a.m.
They may live at the edges of the earth but that doesn't mean we should let them slip to the edges of our brains. How much do you know about animals living at the extremes of our planet?