You May Be a True Science Fan If You Know 27/35 of These General Science Facts!


By: Robin Tyler

6 Min Quiz

Image: Shutterstock

About This Quiz

Weird science!

Well, it can be weird. It's also fascinating and when talking about general science, there are so many subjects that fall under that umbrella. Mankind has relied on scientific discoveries to evolve as a species and without those in the field that daily look at ways to cure disease, harness natural energy sources or just find a way to burn fossil fuels more efficiently, we would not have advanced from the stone age!

Science is responsible for many things, great inventions, miracle cures and much, much more. 

But much of it is also weird and filled with the most incredible facts, many of them pertaining not only to the traditional parts of science, the periodic table and the like, but to nature, space and everything in between.

So what can you expect of this 35-question general science facts quiz?

Well, to begin with, a range of questions taken from all over the wide realm of general science. Questions about nature, space, chemistry, you name it and we have a question to cover it. And for that reason, your knowledge of general science facts better be on point!

Let's see how well you do as you try to beat our 27/35 benchmark!

Good luck!

Give us the chemical makeup of water, please.

Take two parts hydrogen, one part oxygen, combine them and you have water.


Planet Earth is what distance from the sun?

That's a long way. Just a few kilometers closer and our planet would be even hotter. So let's be thankful for the accuracy!


Name something in the human body that opens and closes 4,200,000 a year?

That's right, our eyes are blinking often to help keep them lubricated. All in all, this adds up to 4,2 million times a year that they open and close.


How much of the land area on Earth is fertile?

Incredibly, just 11 percent of the land on earth is fertile. And while the population keeps on rising, feeding it is going to continue to be a problem in the future with that small an area of fertile land to sustain it.


In nature, a hummingbird can flap its wings how many times per second?

Hummingbirds are incredible! Not only do they flap their wings more than 200 times per second, they can fly backwards and even hover.


The universe is made up of how many galaxies?

Incredible if you think about it... 125 billion galaxies. There must be other forms of life outside surely!


Where is the largest reef in the world located?

Yes, the world's largest reef is located in Australia. It covers an area of 348 700 km².


And it is called?

Yes, the Great Barrier Reef. It is found off the coast of the state of Queensland in the northern part of the country.


Which area on earth contains 75 percent of the world's volcanoes?

With around 75 percent of the world's volcanoes, the Pacific Ring of Fire is a dangerous area. Covering an area of 40,000 km, it has 452 active volcanoes.


The eye can differentiate between ______ colors.

Yes, your eyes are able to differentiate between 10 million colors. Let's just hope you don't have to remember all their names?


Blood vessels are found throughout the human body. If put end to end, how long would they be?

That's simply unbelievable! But it is true. If you put them end to end, they would wrap around the globe around 2-and-a-half times.


Sneezing is impossible with your eyes open. True or false?

Although most people believe they cannot sneeze with their eyes open, some people actually can. The fact that our eyes close when we sneeze is simply a reflex.


With what part of their bodies do butterflies taste?

Although a butterfly feeds through a proboscis, that has no form of taste. Instead, a butterfly's feet tells it if the flower on which it has landed is​ good to eat or not.


Do you know where a cricket's ears are located?

Each leg has to audio inputs which allow sound to be broadcast right through the cricket's body. Neat, eh!


Does sound travel faster in water or air?

Sound travels faster in water. This is as a result of the particles making up water being closer to those making up air. This causes them to vibrate quicker, passing on sound easier.


How many times faster does it travel in that medium?

That's right, sound travels four times faster in water! It covers 1,498 meters per second.


Velcro was inspired by which of these found in nature?

Velcro was the brainchild of George de Mestral, a Swiss inventor. While walking his dog in the forest, he noticed how the seeds of the Burdock plant stuck to his dog's coat. He looked at a seed under the microscope and noticed the hook system that the seeds use to attach themselves. And that's how the idea for Velcro came about.


On the periodic table, which element makes up a diamond?

Diamonds are 100 percent carbon. It's mad to think that one of the most common elements in the world can be turned into something so expensive.


If hydrogen burns in air, what compound is formed?

This is as a result of the hydrogen (H) reacting with the oxygen (02) to form H20 (water).


Of all the elements, which is the most abundant in the universe?

Many think carbon is the most abundant element in the universe, but it is hydrogen. And the second most common? Helium, believe it or not.


Common houseflies live for how long?

In the right conditions, which include high temperatures, a male housefly with fairly low activity can live to be 28 days old.


On a clear day, the sun can penetrate up to how deep into the ocean?

That's pretty deep! It's around 80 yards.


Licking a stamp means you have consumed 1/10 of a calorie. True or false.

You would need to lick a lot of stamps to put on weight, though.


Identify the part of the human body that never stops growing.

Yes, your ears and nose never stop growing, which is bad news for those who consider them big already!


Can bats walk?

Bats are not able to walk. The bones in their legs are simply too weak to hold them up.


How long does it take for light from the sun to reach the Earth?

Yes, just eight minutes and 20 seconds is what it take light to travel a distance of 150,000,000 kilometers! Incredible. So you can just imagine how far a light year is away from the earth.


We know tigers have stripes. But where do they come from, their skin or their fur?

Believe it or not, it's the tiger's skin that is striped. No tiger has the same striped configuration,


A shark skeleton is made from which of these options?

The advantages of cartilage is that it makes the shark lighter and far more flexible than if it had a bone skeleton.


Gunpowder is made from which of the following?

Sulfur, charcoal, and potassium nitrate (or saltpeter) make up gunpowder. Potassium nitrate performs as the oxidizer while the sulfur and charcoal are the fuel.


Along with fingerprints, what other print is unique to an individual?

Yes, a tongue print is unique in each individual on Earth. Who finds this stuff out to begin with?


On average, a human can produce how much saliva each day?

Yes, a quart of saliva a day! That's 10,000 gallons in a lifetime!


Astronauts are taller when returning from space. True or false?

Due to the absence of gravity, astronauts can be up to two inches taller on their return to earth from space. This is a result of cartilage expanding without gravity to push it down.


Muscles make up about a quarter of a human's body weight. True or false?

Actually, your muscles make up slightly more than 1/2 your body weight! Incredible, really! Time to tone them up!


The highest ever recorded temperature on Earth was _______.

For years, the highest temperature on Earth was thought to be 136°F (58°C) in Libya in 1922. In 2013, the Guinness​ Book of Records disqualified this entry as it was recorded over asphalt and not in the desert. The record of the highest temperature then goes to Death Valley in 1913 where 56.7°C was recorded.


Which is the only letter in the alphabet not found in the Periodic Table of Elements?

Yes, poor old J. The only letter not to be 'science cool'!


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