The World

Did you get excited when the lab coats and test tubes got pulled out or were you more drawn to the paint brushes and canvas? Or maybe you were only happy when you got out of the classroom entirely for gym or recess. Let's find out your favorite school subject.

By Steven Miller

Are you super big on supercars? Does your automotive knowledge out-accelerate everyone else's? These amazing machines really push the limit, and with this quiz you'll test yours. Take the quiz now!

By Steven Symes

Our world is full of fantastic and interesting mountains, lakes, cities, and other geographical landmarks. Grab your passport and see if you can master this tough and strange geography quiz!

By John Miller

For years, educators and legislators have been emphasizing the importance of STEM programs in the United States, often in an effort to ensure that America can keep up with foreign tech giants. Do you think you can beat our tough STEM quiz?

By John Miller

Just add an "s" and a singular noun becomes a plural, right? Although for the most part, just adding an "s" holds true, but there are exceptions. Do you know them all?

By Becky

The history of the world is full drama, romance, heroes and villains, but how well do you know it? Put your knowledge to the test with this HowStuffWorks quiz!

By Isadora Teich

People have been telling stories about mythical creatures for thousands of years, and for many, there is a great debate as to whether they truly exist or not. Have you ever wondered which one you would be? Take this quiz to find out!

By Kennita Leon

Are you the quiet type who primarily focuses on fitting in and positively contributing to those around you? Maybe you're more of the rugged individualist who is all about adventure and innovation. Let's find the place where you'd truly shine.

By Steven Miller

Which side of the pond do you call home? Play a game of "Would You Rather" with us, and we'll reveal what the words "football," "biscuit" and "chips" mean to you!

By Teresa M.

Blood types have long been associated with specific personality traits! Answer the questions about yourself, and we're sure we'll be able to figure your type out.

By Teresa M.

US Presidents run the gamut from the likable to the surreal and paranoid. They all started out as ordinary people though, so we all have things in common with them. Which are you most like?

By Zoe Samuel

The Bible is full of famous characters, but do you know them well enough to guess them from a single clue? Put your knowledge to the test with this HowStuffWorks quiz!

By Isadora Teich

The human brain is unbelievably good at looking for patterns, as a way to relate things to one another in a way that makes sense. Take our quiz to see if you can figure out what all these trios have in common!

By Bambi Turner

There are a lot of things are considered general knowledge, but not everybody knows them. Put your general knowledge savvy to the test with this HowStuffWorks quiz!

By Isadora Teich

While your physical age is sure to have some influence on our equation, your mental age tends to be quite separate from the number of birthdays you've had. Let's see if you're a spring chicken or over the hill when it comes to the gray matter.

By Steven Miller

These days, kids can be named for anything, but in biblical times, names were a badge of personality, a declaration of faith, and a destiny. What would your biblical name be?

By Zoe Samuel

Intelligence isn't simply about being a stellar student. It encompasses all the intellectual talents we have. Some people engineer spaceships in their minds, while others help us shape the debates about the meaning of life. What kind of "smart" are you?

By Brian W

Army, Navy, Air Force, Marines, or Coast Guard! This quiz will give you an idea of which branch of the armed forces you should join. Stand at attention and answer truthfully!

By Teresa M.

For those of us who believe in reincarnation or that we may have had previous lives, it's pretty fun to try to guess what we did in our past lives that makes us who we are today. So what do you think your job was?

By Kennita Leon

Are you an avid reader? Do you have a dictionary on-hand at all time? Could you go head-to-head with a college grad in Scrabble or Taboo? If you answered yes, you've probably acquired quite an impressive stock of words. Do you think your internal dictionary is at a college level, or has time stolen away some of your memory? Take the quiz to see if your vocabulary truly impresses your friends, or just befuddles them!

By Annette

Calling all adults! It's probably been decades since you sat behind the desk in your 8th-grade math class, but we're willing to bet that some of that material is still in your brain! Do you remember slope intercept form? Does the name Pythagoras ring a bell? If it does, you're in the right place! Only 20% of adults can pass this 8th grade math test! Can you? Let's find out!

By Jouviane Alexandre

From the tip of your toes to the top of your head, do you know the names of all the different muscles working hard to keep your body upright and functioning? Test your muscular system knowledge with this anatomical quiz!

By Bri O.

Peter, Bartholomew, Judas and Thomas are just a few of the many disciples. Think you know all about these legendary followers of Christ? Take the quiz to find out!

By Heather Cahill

Forensics -- it's a staple of TV crime shows and thriller movies. But how much of what you've seen on the screen is realistic? We've designed a quiz on real-life forensics that'll put your knowledge to the test. Duck under the yellow tape and give it a try!

By Torrance Grey

These are the empires that changed the world, influencing generations that followed them. If you think you know everything about history's great empires, take this quiz and prove it!

By Gavin Thagard