Can you tell the difference between a Bichon Frise and a Bullmastiff?

Who’s who of the zoo crew?

No animals were harmed, or stumped, in the making of this quiz.

Fourteen (hopefully) unforgettable terms.

A quiz that’s all bark, no bite.

Can you tell the difference between a Chihuahua and a Chow Chow?

Are you as wise as an owl or just another birdbrain?

You don’t need to be a paleontologist to dig this quiz.

How to be a smarty-pants in the produce aisle.

Get to the bottom of these animal backsides.

Can you handle the (barometric) pressure?

The mother of all animal quizzes.

This quiz is a gas…and a liquid and a solid.

The forecast calls for 15 questions. Prove your meteorological...

Can you tell these creatures just by looking at their peepers?

A handy quiz to test your tool acumen.

Do you know the difference between a protractor and a compass?

Get acquainted with the great outdoors

Find out which breed can outrun a cheetah, which breed was created...

What is a rattlesnake’s rattle made of? What animals can go over...

Can you tell a tapir from an aardvark?

Can you tell the difference between a lilac and a hyacinth?

Can you figure out what these common items are when they're extremely...

See if you will soar with the eagles or go the way of the dodo.

Can you tell a meerkat from a wombat?

Do you know which species of shark is most likely to attack a...

A Platonic solid is a geometric solid with faces that are identical...

There are 13 Archimedean solids, which have two or more types...

Do you know a hedgehog from an aardvark? Prove it with this quiz!...

There are more than 250 species classified as marsupials. This...

Winter is a time of extreme weather and unusual words to describe...

Think you know what's going on when there isn't enough water...

Megalodon was the largest shark, and likely the largest fish,...

If you really liked quizzes and wanted to study them, you might...

From the 16th century onward, the speed of a ship was measured...

Which birds were released in Central Park in 1890 and 1891 by...

What bird inhabits eastern Australia and may hang around in groups...

What flightless bird stood one metre tall, lived on the island...

How well do you know animals with names that start with the letter...

What is the thin layer that forms the outer boundary of a cell?...

Who developed the neon lamp? Who is credited with the invention...

Which French chemist was the first to isolate codeine? Who is...

Which Swedish physician worked with his physicist friend Carl...

Can you identify which type of chemical reaction is shown? Test...

Here is your mission, should you choose to accept it: Define...

Who was the first scientist to conduct a controlled nuclear chain...

Do you know where your food comes from (other than “the grocery...

Do you still have to ask yourself whether a tomato is a fruit...

Interested in testing your earthquake knowledge? Shake your way...

You may know that elements make up the air we breathe and the...

What actually happens when man makes it to the Moon? Test your...

You may think you understand the animal kingdom—but let’s take...

Improve your small talk game by learning what’s really going...

Brrr. Ever wonder if there’s a little more to winter than meets...

How much do you know about Mars? How about energy? Think it’ll...

Sometimes we here at Britannica hear that our quizzes are too...

When did people really start believing that the Earth is round?...

Genes are an important part of who you are—but how much do you...

You probably already knew that not all dinosaurs were meat-eaters....

Would you have a pet with spines? What about one that can fit...

Before you go foraging for salad ingredients, check your score...

Technically, seals and sea lions are in the same taxonomical...

“Yikes, that itches!” How much do you really know about the reasons...

Are bats really blind? How many species of bats are there, anyway?...

You don’t want to run into these birds unannounced—but do you...

Can morning sickness predict a baby’s sex? Should pregnant people...

What are the three steps of wine tasting? What kind of wine is...

Test your bond with the periodic table of elements in this quiz...

You may be the expert on Earth’s Moon. But how much do you know...

Cats may not be called man’s best friend, but they’re still a...

How much do you know about where your food comes from? What about...

Our earliest human ancestors invented the wheel, but who invented...

Whether you prefer poodles, schnauzers, or greyhounds, there’s...

Whether you’re a cat person or a dog person (or a bird person,...

Do we really swallow spiders when we sleep? How long do centipedes...

There’s more to the world of carnivorous plants than meets the...

The human body is made up of many different systems working together...

What is another name for the so-called sea wasp? What continent...

Alligators and crocodiles share a number of features, including...

“Lions and tigers and bears, oh my!” There’s a lot to learn about...

What is champagne named after? Which grapes are used to make...

Today lobotomy is a horror story; less than a century...

Why does your cat hate water? Why do flamingoes stand on one...

Let’s get this out of the way first: all tortoises are turtles....

What’s the difference between buffalo and bison? Take this quick...

Ever wanted to visit everything in outer space in only 25 minutes?...

From the elements of the periodic table to the processes that...

People have been traveling into space, in a physical sense, since...

Lucy and Ötzi and the Java Man, oh my! Dive into the world of...

How well do you know astronomy? How about quantum mechanics?...

What makes a planet a dwarf planet? How many miles are in a light-year?...

No need toromaine calm—it’s the plant quiz you’ve been...

The Earth sciences tell us how the Earth works. See how much...

Where can you find a capybara? How many cervical vertebrae do...

The termgeology refers, according to Britannica,

Shrews are tiny. Whales are massive. Find out what you know about...

Your algebra teacher was right. You will use math after graduation—for...

Which kingdom do mushrooms belong to? What dinosaur was a chicken-size...

Snakes and turtles and frogs, oh my! Some people find these creatures...

An elementary quiz about fundamental matters.

Which of these insects includes a “slave-maker” that bites the...

Who deduced that the sex of an individual is determined by a...

Which fish is known as a living fossil? What is the name for...

There is much to study in Earth’s oceans and seas, from their...

Glaciers are large masses of ice. This is a miniscule three-question...

What mineral forms stalactites and stalagmites in underground...

From cathode-ray tubes to quantum states, this quiz will test...

Physics,

Which two gases combine with water to form acid rain? Where do...

What is the basic unit of work? What does the pitch of a sound...

What is a gizzard? Who won a Nobel Prize for quacking at baby...

How much do you know about bees? Test your knowledge with this...

Put your science smarts under the microscope and see how much...

Sometimes called the gas, ice, or giant planets, Jupiter, Saturn,...

Do you know about the threats facing nonhuman life on Earth?...

The pollution of Earth’s waterways, land, and atmosphere has...

What’s in Saturn’s atmosphere? Who discovered Saturn’s rings?...

Do you know which culinary nuts are true botanical nuts?

How much do you know about owls?

How much do you know about the second planet from the Sun? Test...

You may know all about what happens to water aboveground, but...

How much do you really know about Earth’s geologic history?

How much do you know about cats?

Although photographs and videos of cute domesticated cats are...

Test your knowledge of the fascinating science of chemistry.

What is a genetically modified organism? What makes genetic recombination...

What do you know about embryos? Test your knowledge with this...

Test your knowledge about dogs with this quiz.

How much do you know about these giant lovable critters? Test...

How much do you know about plants? Test your knowledge of botany...

Think you know about poisons? Take this venomous quiz to test...

Microbial versus molecular? Behavioral versus evolutionary? Test...

Do you know what makes a bug a bug? Test your knowledge with...

Were Neanderthals of the genus Homo? What about the famous fossil...

What do you know about animal nomenclature? Take this quiz and...

Think you know about quantum mechanics? Take this quiz. No points...

There are thousands of planets outside our solar system. Test...

Fishes and mammals are obviously different, right? Then you should...

How much do you know about these odd-looking creatures? Test...

What do you know about insect wings? Test your knowledge with...

What do you know about animal mating behavior? Take this quiz...

Celebrities have some very cute animals to call their own, and...

Have you got the right stuff? Show what you know about the many...

Do you think you can tell canines and felines apart? Test your...

Know a thing or two about number two? Squeeze this quiz in before...

There are a lot of ecosystems in the world. How much do you know...

Test your knowledge of those who had the right stuff to travel...

How well do you know the taxonomy of the plants you eat?

When you don’t know when your next meal might walk by, portion...

Think you know every cloud type? Test your knowledge with this...

How many babies does a fox typically have? What about a tiger?...

Can you identify these well-known horses?

How many species of manatees are there? How fast can manatees...

Are you out of your gourd about gourds? Test your knowledge of...

Do you know a Phillips curve from an Engle curve? Inflate your...

How much do you know about Pluto? See if your knowledge is astronomical—or...

What is the "invisible hand"? Does taking this quiz have any...

Can elephants run? How long does an elephant live? Test your...

You’ve heard of a herd of cattle, but what is a group of jellyfish...

Plants have families, too! Try to figure out which plants don’t...

Some animals regulate their body temperature naturally, and some...

Is it true that sharks have to swim continuously? How many teeth...

Do you know which plants come back year after year? Test your...

So you’ve got the planets down pat--let’s see if you know your...

Do antelopes have good hearing? Do gazelles have any teeth? Discover...

Do brown bears live in the southern hemisphere? Do polar bears...

Which country raises the most cattle? Are cape buffalo the same...

Did trees evolve hundreds of millions of years ago? Are birch...

Will parallel lines eventually meet? Does a rectangle have three...

Are there twelve signs in the zodiac? Is Sirius the brightest...

Are elks vegetarians? How much does the smallest mongoose weigh?...

Can animals survive being frozen? Do only male animals have antlers?...

Where can aardwolves be found? Do hyenas live in trees? Sort...

Does the Earth revolve around the Sun once per month? Are sunspots...

What number did the ancient Egyptians consider to be sacred?...

Is the center of a tropical storm called a window? Does a barometer...

What do wolves eat? How many species of wolves are there? Sort...

How many species of reptiles exist? Do reptiles practice estivation?...

Do eels live in freshwater and saltwater? How many kinds of eels...

Can fish get thirsty? Do sharks use electricity to hunt? Sort...

Do pit vipers live in pits? How many venomous species of lizards...

Do you know where camels originated? Exactly how long can they...

Are chickens related to pheasants? How many varieties of turkeys...

Can crabs only live in salt water? Do crabs experience metamorphosis?...

Can turtles catch colds? Can turtles run? Get under the shells...

Are rabbits rodents? Can mice cause fires? Find the answer to...

Do January and June contain equinoxes? Does the summer solstice...

Were all the Apollo astronauts trained scientists? Is the European...

Are enzymes catalysts? Are atoms invisible? Sort fact from fiction—and...

Is concrete a mixture of sand and steel? Do suspension bridges...

Is a humbug a kind of bee? Does mutualism refer to an animal’s...

Are some forms of plastic stronger than steel? From celluloid...

Is a gasoline engine more efficient than a diesel engine? Is...

Are most meteorites that strike Earth unrecorded? Did the world’s...

Is the Grand Canyon 2 billion years old? Can you find magnesium...

Is there any gold in the ocean? Are diamonds found on every continent?...

Is an ultraviolet ray longer than an X-ray? Is the technical...

Was the sundial invented in Egypt? Was the first greenhouse built...

Do tsunamis travel faster on open sea than near land? Do most...

Do trade winds blow from north to south? Are aerosols small particles?...

Are most seaweed made of flowering plants? Are coral reefs mostly...

Is it true that life can only evolve on Earth? From our planet’s...

Are clouds made up of water? Are the highest clouds called stratus?...

Is Uranus a solid mass of rock? Is Pluto considered a planet?...

Are all icebergs found near the Earth’s poles? Is hydrogen common...

Can carnivorous plants eat humans? Is grass the plant type with...

Is Earth’s galaxy called the solar system? Is the largest galaxy...

Is the Hubble Space Telescope named for a scientist? Is a microscope...

Is penicillin made of mold? Can fungi photosynthesize? Sort fact...

Are there only a few million barrels of oil left in the world?...

Does the ocean ever stand still? Is most of the world’s salt...

Is Earth the only planet with an atmosphere? From carbon dioxide...

Does the concept of zero come from Indian mathematics? Is a jiffy...

Is crude oil usually black? Is natural gas a kind of petroleum?...

Does all matter have mass and density? Are there three classical...

Is iron the most abundant element in the universe? From helium...

What is causing the oceans to become more acidic? Do plants and...

Which gases play an important role in climate change? What percentage...

Was Mariner 1 the first spacecraft to photograph Earth from the...

Was Isaac Newton inspired to think about gravity by watching...

You’ve probably heard of Nobel Prize-winner Albert Einstein,...

Where did horses evolve? Which breed is the tallest? Test your...

Where do lions live? What do they eat? Uncover the truths about...

Do all cats have tails? Do they all purr? Find out these answers...

Is a liger a real animal? Do cats like sugar? Test your knowledge...

Can elephants jump? Are they color-blind? Uncover the answer...

How long have pigeons been domesticated? Where are pigeons found...

How many species of prairie dogs are there? Are they actually...

Can horses only be born at a certain time of the year? What do...

What is the rarest monkey? How many kinds of gibbons are there?...

Do giraffes make any noises? Do they sleep standing up? Learn...

How many species of butterflies and moths exist? Are moths harmful...

Which mammal has the longest tongue and which was the first to...

While bats of course don’t actually turn into vampires, these...

Small and persistent, these tiny creatures know just how to bug...

Is it common to come across a complete dinosaur skeleton? Was...

Are snails gastropods? Are clams bivalves? Learn the answers...

What is the name for a two-humped camel? How large is an adult...

How far must a hives of bees fly to produce a kilogram of honey?...

Can ants be used to predict the weather? How did crazy ants get...

Which animal is the strongest relative to its size? Which type...

What is the world’s longest poisonous snake? To which continent...

Do you know what bats use to control their wings? Learn about...

How many breeds of dogs are there? What is the largest terrier?...

How many eggs do vultures lay? What grows over a turkey’s beak?...

What is the name for an insect’s egg-laying organ? How many known...

Do you know the first stage in the life cycle of most amphibians?...

How much does a baby elephant weigh? What is the largest monkey?...

How many bones are in a dog’s spine? Which sense does a dog lack?...

Australia abounds with native animals big and small. Explore...

What is a meter? How many grams are in a pound? See if your knowledge...

Does human hair grow faster in the summer or in the winter? Are...

From Neanderthals to ancient Egypt, explore early human life...

In what constellation is Sirius found? How many galaxies are...

From light-years to Martian years, test your knowledge of the...

Does sound travel faster than light? Does each color of light...

From the evolution of birds and horses to Earth’s tallest land...

Is acne caused by chemical changes in the body? Are differences...

Is iron the most abundant metal in the Earth’s crust? Is potassium...

What does the word "migration" mean? How many sets of legs does...

Gunsmoke was a popular television program made up of...

What is the most frequently used paper size? How many sheets...

Is an F1 tornado the most powerful? Is a typhoon a kind of cyclone?...

How many leaves are produced on an elm tree each year? Do growth...

Does the word "galaxy" come from the Greek word for milk? Can...

Does water contract when it freezes? Is water the most common...

Are there winds in space? Are winds caused by waves in the ocean?...

Is Hydra the largest constellation in the night sky? Are some...

Can microbes provide energy? How much energy do video games use?...

Are skyscrapers safe from lightning strikes? Do ice crystals...

What are asteroids largely composed of? Where are comets formed?...

This massive sphere of gas lights our way and provides our energy,...

This colourless gas loves colourful balloons, but what else do...

Can carnivorous plants eat humans? How big is the largest aquatic...

If roses are red and violets are blue, then this quiz is a multi-colored...

Was the first cloned mammal a horse? Are marsupials mammals?...

Is Uranus blue-green because it has oceans? What created Neptune’s...

Did life begin on Earth soon after the planet was formed? How...

Was Pluto the first planet to be discovered by telescope? Can...

Did famed mathematician Blaise Pascal invent an adding machine?...

Was rayon the first synthetic fiber? Were Post-it notes a deliberate...

Is the Moon the only object in the solar system to have craters?...

You are probably familiar with stars such as Marilyn Monroe and...

What is the age of the oldest rocks on earth? Are rocks and minerals...

Is the speed of sound constant? Does the way we pronounce words...

You may know that honey is produced from the nectar of flowers,...

Is rainwater the purest form of water? Is fresh water more acidic...

When stretched, what type of energy does a rubber band store?...

Does a laser amplify light? Can light therapy help people battle...

You may have heard of the car model, but is "stratus" a type...

This giant ball of energy regulates our perspective of time,...

What is the largest type of military ship? What is the name of...

You may know that rice is the seed of a plant, but what is the...

What’s the relationship between distant planets and supposed...

Is the airline industry the world’s largest consumer of oil?...

What force slows motion? For every action there is an equal and...

What is frankincense? What is a deciduous tree? Plant your roots...

From where does Mars get its name? Does the "Red Planet" experience...

You may be familiar with voice-activated GPS gadgets, but what...

Was a monkey the first animal in orbit? Was international spying...

From which Roman god does Saturn get its name? What makes Venus...

How does the Sun affect the Earth’s seasons? When will the Sun...

Diamonds may be a girl’s best friend, but what is that mineral’s...

What astronomer suggested that the Sun was at the center of the...

What are cigars made of? What material is glass classified as?...

What is the hottest recorded temperature on Earth? What’s the...

From zeppelins to jet-powered propellers, launch into this quiz...

What is pitch? What is the name for a speed greater than that...

What was steam power developed to do? How much of the Earth’s...

A-B-C, 1-2-3… If you consider that counting numbers is like reciting...

How many major oceans does Earth have? Does land cover 50 percent...

What does a barometer measure? During which year do humans grow...

What’s the difference between an electrical conductor and an...

From drilling holes and moving freight to car engines and their...

From fossil fuels and solar power to Thomas Edison and Nicola...

If earth is mankind’s first frontier, how will you score on this...

"Far out". "Spacely". "Out-of-this-world". You may have heard...

What’s your horoscope? Have you ever seen a shooting star? From...

Even though water exists in three states, there is only one correct...

Trees produce oxygen, provide habitats for insects, and one held...

Galileo Galilei. Anders Celsius. You may recognize their names,...

Curiosity may have killed the cat, but kinkajous, bluebacks,...

Will big horns sink a water buffalo? Is the vampire bat’s thirst...

Horses andHyracotherium and yaks, oh my! Test your...

Got bugs on the brain? A passion for pests? Test how much you...

Mars and the Milky Way are more than just candy bars! See how...

Do you get fired up about physics? Giddy about geology? Sort...

Insects and spiders are fascinating, from delicate butterflies...