How much do you know about science?


By: Narra Jackson

4 Min Quiz

Image: Shutterstock

About This Quiz

A historical look at science and all the cool things that happened. Quizzing you on advancements and gains in the scientific community with some outlandish stuff on top of that. See how much you know!

Which of these is an animal whose female has thicker skin than the male?

Female sharks have thicker skins than males! Scientists think it is because males have a tendency to bite the females while mating. Although sharks are known for being solo travelers, in February of 2016, researchers reported that more than 10,000 blacktop sharks were lurking together off the Florida coast.


What is the average depth of the ocean?

The ocean is 12,080 feet deep on average. That is about eight Empire State Buildings stacked on top of the other. The deepest part of the ocean, however, is about 36,200 feet. That is closer to 25 Empire State Buildings.


How many bones does the human skeleton have?

The adult human skeleton has 206 bones. The smallest bone is the stapes or stirrup, the innermost of three bones in the middle ear; and the femur is the longest and strongest. Babies are born with 270 bones but some fuse together as their bodies grow.


Why do Madagascar hissing cockroaches hiss?

The Madagascar cockroach hisses to challenge other cockroaches to a fight and also when trying to attract a mate. They hiss by forcing gas through tiny breathing pores called spiracles on its thorax and abdomen.


How much would a 150 lb person weigh on the moon?

Gravity on the moon is a sixth of what it is on Earth. Someone who weighs 150 lbs on earth would only be 25 on the moon. Its gravity is much lower because the moon is only 1% the mass of the earth. If you were to stand on Jupiter you'd weigh more than twice as much as you do on earth.


An ancient way to wipe your butt?

Roman philosopher Seneca, who lived from 4 B.C. to A.D. 65, recorded the use of a sponge attached to a stick that did the job. Between uses, the tool (called a tersorium) sat in a bucket of salt water or vinegar water.


How many gallons of water can camels drink in 13 minutes?

Camels can drink 30 gallons of water in just 13 minutes. The water is stored in the camel bloodstream. Rather than water being stored in the fatty hump, it is used as a source of nourishment when food is scarce.


Scientific name for the Central American salamander?

The scientific name for the Central American salamander is Bolitoglossa dofleini. It can extend its tongue more than half its body length in 7 milliseconds, that is 50 times faster than you can blink an eye.


Hottest recorded temperature on Earth?

On September 13, 1922, the mercury soared to 136 degrees Fahrenheit in El Azizia, Libya. Scientists say this is the hottest temperature ever recorded on the planet, though high temperatures may have occurred where there are no measuring stations.


How many bacteria species does breast milk have?

The human body is full of friendly bacteria, we all have organisms on ou skin and in our guts that help keep our bodies healthy, effective, and active. Breast milk can have up to 700 different species of bacteria according to a study in 2013.


An animal with a venomous spur?

The platypus isn't as cute and cuddly as one might think. The male has a venomous spur on its hind foot that is capable of dispensing a poison that can kill a medium-sized dog. Yikes!


Weird action by the Catholic Church?

The Catholic Church once put a dead Pope on trial. After Pope Formosus died in A.D. 896, his successor had him disinterred, dressed in papal robes and set up to face a huge list of political charges. Needless to say, the Pope lost.


What is it called when you can't recognize faces?

Prosopagnosia is a disorder where people can't recognize faces. Faces are so important that humans have a brian area called the fusiform gyrus that specializes in recognizing them. Developmental problems or injuries to the fusiform can leave people clueless about how even their loved ones look.


How strong can a blow be from a mantis shrimp?

Mantis shrimp are small but pack in a big punch! They can use their armored claws to strike at speeds of 74 feet per second delivering blows with 200 pounds of force behind them. The crustaceans are only about 4 inches long.


Sea animal with great vision?

Although you would not originally think this because we can't see them with the naked eye, scallops actually have excellent vision. They have around 100 simple eyes most of which are usually blue. Crazy, huh!?


By midway through pregnancy how much more blood do women have?

When a women is pregnant not only is she growing a baby but she is also growing a support system for the fetus. Because of this, pregnant women by week 20 (halfway through their pregnancy) women have 50% more blood than they did before they conceived.


Where did the longest necked dinosaur live?

The dinosaur with the longest neck for its body size is a sauropod dino that lived in what is now China. The American Museum of Natural History in New York has a Mamenchisaur specimen with a 60-foot-long total length, a shocking 30 feet of which is neck.


Element that is liquid at room temperature?

Mercury is the only metal that is liquid at standard room temperature and pressure. This is because the electrons that spin around the nucleus of a mercury atom have weak links or bonds with other mercury atoms at room temperature.


Animal with no stomach?

Seahorses do not have stomachs, they only have intestines for the absorption of nutrients from food. Food passes through their digestive system rapidly, so they eat plankton and crustaceans almost constantly.


Flower with blooms that can reach ten feet?

Corpse flower, or scientifically Amprophophallus titanium, blooms with clusters of flowers that can reach 10 feet in height. These petals smell so much like rotting flesh that the plant is most commonly known as "corpse flower."


How many hours have humans spent playing World of Warcraft?

Yes collectively humans have spent longer playing World of Warcraft than we have existed as a species separate from chimpanzees. That is over 6 million years!


Ecological foot print of two hamsters?

Two hamsters have the equivalent ecological footprint of a plasma TV. A dos has the same ecological footprint as two land cruisers, and a cat the same environmental effect as a Volkswagen Golf.


What animal did Henry III have?

in 1251, Henry III was given a polar bear by the king of Norway. He kept it in the Tower of London, on a long chain so that it could swim in the Thames.


What was the old method of pregnancy tests?

until the 1960's, the only reliable pregnancy test was to inject a woman's urine into a female African clawed frog. If the woman was pregnant, the frog would ovulate within 12 hours.


How many minutes would it take to jump through Earth?

If you drilled a tunnel straight through Earth and then jumped in, it would take you exactly 42 minutes and 12 seconds to get to the other side. That is way faster than we initially thought!


How many laps around the world does the average person walk in a lifetime?

The average person with a normal level of activity walks the equivalent of three times around the world in their lifetime. Especially active people walk about double that.


How many bits of information per second do humans take in?

This number is totally baffling but the human brain takes in 11 million bits of information every second. Something even crazier about this? We are only aware of about 40 at a time.


How many bugs do we eat each year in our lifetime?

The average person accidentally eats 430 bugs each year of their lifetime. EACH YEAR. That means that if we live to be 80 years old we will have eaten about 34,400 bugs in our lifetime.


How many pounds of skin do we shed in our lifetime?

Each person sheds 40 lbs of skin in his or her lifetime. That is about 2 lbs of skin per year!


How many sperm cells do males produce each second?

Males produce one thousand sperm cells each second. That is 86 million sperm cells each day and 602 million sperm cells per week!


Which is a truly weird fact about human saliva?

Human saliva contains a painkiller called opiorphin which is six times more powerful than morphine. It isn't produced in large enough quantities within our bodies for us to feel its effects. Also, we are accustomed to it so it wouldn't effect us like morphine anyways.


Name an animals liver that will kill you?

If you were to eat a polar bear liver, you will die. Human beings can not handle that much vitamin A at once, the result would kill us.


Which weird action do giraffes participate in?

Head butting is a thing for giraffes. The male giraffe will continuously headbutt the female in the bladder until she urinates. The male then tastes the pee and that helps it determine whether the female is ovulating. If she is, it's business time!


Tallest known ape?

There was a 10 ft tall ape called Gigantopithecus that is now thought to be extinct. The fossil record indicates that they most likely buried their dead, which indicates a cognitive level that only one other ape possesses.


How much does Hawaii move every year?

Hawaii moves closer to Alaska by 7.5 cm each year. Hawaii sits in the middle of the Pacific Plate, which is slowly drifting north-west towards the North American Plate, back to Alaska. The plates' pace is comparable to the speed at which our fingernails grow.


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