Science Trivia Quiz Questions And Answers

Did you know that stomach acid is strong enough to dissolve stainless steel? Or that Venus is the only planet to spin clockwise? Or even that, if you took out all the empty space in our atoms, the human race could fit in the volume of a sugar cube? If you find these medical and geography trivia interesting, then you’ll love the science trivia quiz that we’ve compiled below for you. Let’s test your general knowledge about all things nature and science.

Time to put on your thinking cap and go down the memory lane of the science fairs that you attended, science fiction films watched, and see if you remember anything from these science, movies and other trivia questions. We guarantee that you’ll enjoy them!

Science Trivia Quiz Questions For School Kids in 2023

What is the smallest planet in the solar system? Which is the closest planet to the sun? Well, I bet these science trivia questions got you thinking, right? Now let’s see how many answers you can get correct. 

Science Trivia Quiz Questions-Fiction And Facts in 2023

What can sharks sense that humans cannot? How is the severity of an earthquake measured? Take a test on these science trivia quiz questions and see how many you got right and how much you actually know. Test your knowledge of science now!

Okay then, ‘Einstein’, let’s see how brilliant you are!

Science trivia quiz questions

  • What is the splitting of atomic nuclei called?

    Nuclear Fission

  • What does a conchologist collect?


  • What was the first planet discovered with the aid of a telescope?


  • What element is a diamond composed of?


  • What two substances are the main components of bronze?
    Copper and tin
  • Which constellation are the stars Castor and Pollux in?


  • This Greek physician was the first to keep records of his patients’ histories.


  • What is the galaxy closest in light-years to the Milky Way Galaxy?


  • This term is commonly used today to refer to errors with computer systems. It was first coined when a moth was trapped in an early model of the personal computer, causing it to crash. What is this word?


  • What are the gaps between nerve cells called?


  • What is the bone diseases that literally translates to ‘porous bones’?


  • What is a unit that measures force?


  • This ‘v’ word describes a fluid’s ability to resist flowing. What is it?


  • What word do scientists use to describe a unit of measure that is also the name of an animal?

    A mole

  • What is the main structural molecule in hair and nails?


  • This type of muscle relationship refers to two muscles that never move in the same direction. When one is flexed, the other will always be extended


  • What reaction releases energy into its surroundings?

    Exothermic reaction

  • What does the ER of a cell stand for?

    Endoplasmic Reticulum

  • This relationship between muscles means that one muscle assists the movement of another


  • What two elements is water made of?

    Hydrogen and Oxygen

  • What causes the moon to shine?

    Reflection from the sunlight

  • What is it called when a solid matter transitions to a gas immediately without having to pass through the liquid state?


  • What kind of energy does that sun create?

    Nuclear energy

  • What flap on your windpipe helps keep out food particles?


  • What are the only two egg-laying mammals in existence in the world today?
    Echidna and Platypus
  • Which inventor proved that lightning is a form of electricity?

    Benjamin Franklin

  • What part of the brain controls hunger?


  • This is the quality of an object that allows it to float on water.


  • What does a “Geiger Counter” measure?


  • What is a scientist who specializes in the study of cells called?


  • This type of cell division results two four daughter cells, each one with half the number of chromosomes in the parent cells. What is it called?


  • How many elements are listed in the periodic table?


  • What is the fin on the backs of fish, some whales, and dolphins called?

    Dorsal Fin

  • When a substance goes from one state of matter to another, what is that process called?
    A change of state
  • Which city in Italy is famous for its canals?

    Venice. In total, the city contains 150 canals.

  • The process of weathered material moving due to gravity is called what?


  • What will two particles of opposing charges do – repel or attract?


  • How many continents are there in the world?

    Seven: Africa, Antarctica, Asia, Australia/Oceania, Europe, North America, and South America.

  • What is the scientific name for the job or role an organism plays in its habitat?


  • What does the proprioceptive sense do?
    Informs the brain of the relative position of certain body parts to others
  • The smallest bones in the body are located where?

    The ear

  • What does the vestibular sense do?
    Informs the brain of a person’s position in space
  • How do scientists measure the severity of an earthquake?

    They use something called the Richter Scale. The measure has been in use since 1935.

  • What is the sun mostly made up of?


  • Many of us believe that the average human has 5 senses, but that’s not actually true. What two other senses do we have that are often left unknown to most lay people?
    Vestibular and proprioceptive senses
  • What is the tallest mountain in the world?

    Mount Everest. The mountain peak reaches 29,029 feet at its summit

  • What is the “powerhouse of the cell?”


  • Lagomorph, refers to what type of animal?


  • What metal is found at the center of the Earth?

    Iron. This is very different from the Earth’s crust and mantle, which are rich in minerals.

  • What animal is the closest living relative of a human?

    Chimps and bonobos

  • This is the only type of canine that can climb trees. What is it called?
    Gray fox
  • What Greek letter is used to represent density (mass per unit volume)?

    A lowercase rho (ρ)

  • Around what percentage of animal species are invertebrates?


  • Why do bubbles pop shortly after their blown?
    Dirt from the air
  • Electron pairs, when shared between two atoms, help create what kind of bond?

    A covalent bond

  • Which moon of Saturn has a methane cycle?


  • This is the unit of measure used to quantify radioactive element activity.


  • What word can you use to describe when a solid turns into a liquid?


  • What is the name of the most recent supercontinent?


  • This refers to the amount of blood cells in a certain amount of blood.


  • How many states of matter are there?

    Four. Solid, liquid, gas, and plasma.

  • About how old is Earth?

    4.5 billion years

  • What is considered room temperature?

    72 degrees Fahrenheit.

  • In terms of pH, what is ammonia?


  • “For every action, there is an equal and opposite reaction” is an example of one of these.

    Newton’s Laws

  • Which psychological concept did Pavlov’s dog help him describe?


  • Bright’s Disease affects what part of the body?


  • What is Isaac Newton known for?

    Legend has it that Newton discovered gravity when he saw a falling apple while thinking about the forces of nature.

  • What is it called when an individual doesn’t offer to help someone in an emergency if there are other people present?

    Bystander effect

  • The joints of the body are designed so that they allow bones to interface and move. This specific type of joint however, is rigid and does not allow movement. What type of joint is this?
    Suture joints
  • What is the smallest unit of matter?

    An atom

  • How do you calculate density?

    Density is mass divided by volume

  • A spider monkey’s tail can carry its weight and hold on to branches. This type of tail – which can hold on to objects and support the weight of the animal to which it belongs – are called what type of tail?
    Prehensile tail
  • Why do some tigers have white coats?

    It’s a genetic mutation. White tigers carry a gene that inhibits the production of red and yellow pigments in white tigers, though it does not appear to alter black.

  • What kind of energy does an unlit match have?

    Chemical energy

  • Leo Gertstenzang is typically credited for the invention of q-tips – one of the most important modern day necessities for personal care. What year did he invent them?


  • What process do bats use to locate their prey?


  • What is the electrical charge of a neutron?

    No charge

  • The Nobel Peace Prize is one of the most prestigious awards in the field of science. The man behind the award – Alfred Nobel – invented what?


  • What are animals called who only eat plants?


  • What is the name of the red pigment found in vertebrates that functions in oxygen transport?


  • This animal’s fingerprints closely resemble that of a human’s. So much so in fact, that inspecting its fingerprint side by side with a human print might make it impossible to differentiate. What animal is it?


  • How many sets of wings do bees have?


  • Mycology is the scientific study of what?


  • The name of this disease stems from the medieval term that means ‘bad air’. What disease is it?


  • What kind of animal is an Orca?

    A whale

  • Which component of an atom might you expect to be orbiting around it?


  • Joseph Henry was given credit for this invention in 1831 which was said to revolutionize the way that people communicate during the time. What was his invention?
    The telegraph
  • Frogs belong to which animal group?


  • This lunar phase happens when less than a full moon but more than a half moon is illuminated.
    Gibbous phase
  • What can sharks sense that humans cannot?

    Electricity. They do this using organs called ampullae of Lorenzini.

  • According to Apollo astronauts, the Moon smells like what?

    Burnt gunpowder

  • Space travelers from the United States are called astronauts. From Russia, they’re called cosmonauts. Where are taikonauts from?


  • How many oceans contain sharks?

    All of them. And that’s not all! Some are also found in rivers and freshwater lakes.

  • What does ‘E’ represent in E=MC2?


  • This jungle animal, when in groups, is referred to as an ambush. What kind of animal is this?


  • What is the largest land animal alive today?

    The African Elephant. These gigantic creatures can weigh as much as 7 tons!

  • What is the symbol of the element silver?


  • Most of a penny is made from what type of metal?


  • Which animal can change direction midair?

    The cheetah. They are the only type of cat able to do so

  • What type of cell division results in two four daughter cells, each with half the number of chromosomes in the parent cells?


  • In 1953, the United States of America conducted its first and only nuclear artillery test. Where was the test held?


  • Mitosis is the process a single cell uses to divide into two new identical cells. What do we call each set of cells?

    Parent cells and daughter cells

  • The study of the weather is called what?


  • Using feet, how long does the human small intestine measure on average?
    17 feet
  • What do white blood cells do?

    White blood cells protect you against illness and disease. “Immunity Cells” are another name for these components.

  • What is the medical term for bad breath?


  • True or false: the graduated cylinder is a tool that’s used to measure fluid volume.


  • What is the largest organ in the human body?

    The skin

  • Penicillin is used to fight what type of infections?


  • Optics is the study of what?


  • What kind of blood type is known as the universal donor?

    O negative

  • What planet in our solar system has the most gravity?


  • This type of material does not allow electricity to flow through them easily, unlike conductors which are used for their ability to rapidly allow electricity to pass through. What is this material called?


  • What is the smallest bone in the human body?

    The stapes bone, also known as the stirrup bone. It’s located inside your ear.

  • Which two elements on the periodic table are liquids at room temperature?

    Mercury and Bromine

  • True or false: rainforests are considered temperate climate regions.


  • What is the largest bone in the human body?

    The femur, also known as the thigh bone

  • Oncology focuses on what disease?


  • ATP is the molecular unit of energy that gives our body fuel on a cellular level. What does ATP stand for?
    Adenosine triphosphate
  • Is Pluto still a planet?

    No, Pluto was declassified as a planet back in 2006.

  • What is the largest internal organ of the human body?


  • True or false: chloroplasts can be found in animal cells.


  • What is the largest planet?


  • What is the quality of an object that allows it to float on water?


  • What percentage of the total number of known animals are invertebrates?
  • What planet is farthest from the sun?


  • Dolly was the first-ever living creature to be cloned. What type of animal was she?


  • Animals that are active during dawn and dusk are called what type of animals?


  • What is the smallest planet in the solar system?

    Also Mercury!

  • What part of the brain deals with hearing and language?

    Temporal lobe

  • This Saturn moon has a methane cycle, differentiating it from the other moons of the planet. What is its name?


  • What planet is closest to the sun?


  • Optics is the study of what?


  • True or false: the Large Magellanic Cloud is farther from the Earth than Andromeda


  • What color is the sunset on Mars?


  • What disease stems from the medieval term that means ‘bad air’?


  • What is the scientific term for peeling skin?


  • What color is the sun?

    Though the sun looks white when we look at it, it’s actually a mixture of all colors.

  • Where is the world’s most active volcano located?


  • This type of bond involves the sharing of electron pairs between different atoms. What do you call this bond?


  • How long does a solar eclipse last?

    About seven and a half minutes

  • What type of bond involves the sharing of electron pairs between different atoms?


  • An unlit match has what form of energy?

    Chemical energy

  • What causes a solar eclipse?

    The moon moves between the sun and Earth, casting a shadow on Earth

  • What is it called when you make light change direction by passing it through a lens?


  • Who was the first person to walk on the Moon?

    Neil Armstrong. He landed on July 20, 1969, with Edwin “Buzz” Aldrin.

  • Bronze is an alloy consisting primarily of what two elements?

    Copper and Tin

  • When you open a bottle of wine and leave it exposed to the air, the ethanol in it reacts with oxygen. This reaction forms what?

    Ethanoic acid

  • Would you weigh more or less on Mars?

    Less. A person who weighs 200 pounds on Earth would weigh just 76 pounds on Mars.

  • What inorganic molecule is produced by lightning?


  • This is the phenomenon that explains why people will tend to refuse to offer help when there are other people present during an emergency

    The Bystander Effect

  • What is the largest star in the solar system?

    The sun

  • What element did Joseph Priestley discover in 1774?


  • This part of the brain deals with hearing and language

    Temporal lobe

  • What phenomena keep the planets in orbit around the sun?


  • True or false: your hair and your nails are made from the same material


  • What is the hardest known natural material?


  • What is a geiger counter used to measure?
    1. Radiation
  • This measurement – approximately six feet – is used to measure the depth of water. What is it?
    1. Fathom
  • Discovered by Alexander Fleming, this is now used to treat infections and is considered one of the most important discoveries in the field of medical science. What is it?
    1. Penicillin
  • How many bones do sharks have in total?
    1. Zero
  • In what year was Alaska sold to the United States of America?
    1. 1867
  • What is considered the highest mountain in Africa?

    Mt Kilimanjaro

  • Who is regarded as the man who invented the telephone?
    1. Alexander Graham Bell
  • What is the smallest country in the world?
    1. Vatican City
  • An egg’s shell is what percentage of its total weight?
    1. 12%
  • What type of animal was Laika?
    1. Dog
  • This animal was the first ever to be launched into space. She was strapped into the Soviet Sputnik 2 spacecraft which was sent out into outer space on November 3, 1957. What was her name?
    1. Laika
  • What is the tallest type of grass?
    1. Bamboo
  • From what tree do acorns come from?
    1. Oak trees
  • This man is responsible for reshaping the way early man believed the solar system worked. He proposed that the Earth was not the center of the universe, and that the sun was instead at the center of our solar system. Who was he?
    1. Copernicus
  • Can you hear anything in outer space?
    1. No, there is no  medium for sound to travel through
  • The oldest living tree is 4,843 years old and can be found where?


  • True or false: male seahorses give birth to their young, not the females


  • How many hearts does an octopus have?


  • This theory aims to explain how Pangea became separate continents, suggesting that the movement of tectonic plates caused the mass to break off and drift into different places.
    1. The Continental Drift Theory
  • Scientists believe that the continents of the earth were all one large landmass 280 million years ago. The moving of tectonic plates caused this mass to break off into different pieces, making up the continents as we know them today. What was this landmass called?
    1. Pangea
  • Where can you find the smallest bone in the human body?
    1. Middle ear
  • This planet has a collective 53 moons, making it the planet in our solar system with the most number of moons.
    1. Saturn
  • How many elements are there in the periodic table?


  • This planet spins the fastest, completing one whole rotation in just 10 hours. Which planet is it?
    1. Jupiter
  • In what country can you find the Suez Canal?
    1. Egypt
  • True or false – lightning is hotter than the sun
    1. True
  • How long does a human red blood cell survive?
    1. 120 days
  • True or false: sound travels faster in air than in water.
    1. False
  • Diabetes develops as the result of a problem with which specific organ in the body?
    1. Pancreas
  • Which of Newton’s Laws state that ‘for every action, there is an equal and opposite reaction?’
    1. The third law of motion
  • Animals that eat both plants and meat are called what?
    1. Omnivores
  • The plant Earth is surrounded by different layers of gas, which when taken together, we call the…?
    1. Atmosphere
  • Who was the scientist to propose the three laws of motion?
    1. Isaac Newton
  • What tissues connect the muscles to the bones?
    1. Tendons
  • What is the largest known land animal?
    1. Elephant
  • What’s the boiling point of water?
    1. 100 degrees Celcius
  • What part of the plant conducts photosyntehsis?


  • On what part of your body would you find the pinna?


  • What is the rarest blood type?
    1. AB negative
  • What is the hottest planet in the solar system?


  • What do bees collect and use to create honey?
    1. Nectar
  • What is the largest planet in the solar system?


  • The earth has three layers of varying temperatures. What are its three layers?

    Crust, mantle & core

  • How many teeth does an adult human have?


  • What is the nearest planet to the sun?
    1. Mercury
  • This essential gas is important so that we can breath.
    1. Oxygen
  • Name the red planet
  • How long do sloth sleep in a day?
    3 hours
  • How far can a sloth climb on a tree?
    6 to 8 feet
  • How long do symptoms of dry drowning last ?
    1 hour
  • What is the best flotation device for kids in the pool?
    Life jacket
  • What type of sunscreen is best to protect you against the burns?


  • How many eggs do queen bees lay each day?
  • Do you know the number of the planet earth in the solar system?


  • What do you call the water and sugar mixing process?
  • How Much Do Bees Sleep
  • What are the four processes of science?

    observation, inferences, experimentation, and deduction.

  • Name the universal solvent?


  • Name the process used for checking rubber with Sulphur.


  • Can you name the most malleable metal?


  • Which sea animal has a large eye?

    the squid having 16 inches on average.

  • Do you know the metal that is liquid at room temperature?


  • Which planet has the same size a step moon.


  • In the desalination process, what is removed?

    salt, as the name indicates the desalination.

  • What is the zero to 14 scale known as?

    pH scale.

  • Do you know the length of the Martian year?
    6869726 is the length of this year.
  • Do you know what is hepatitis?
    It is the inflammation of the liver.
  • What is another name of SA node?

    the pacemaker

  • What do you know about the valve present on the left side of the heart?

    it is a tricuspid valve

  • Who was the first person to observe the rings on Saturn planet?


  • Where is the Olympus monus present?


  • Big bang machine is also known as?

    Large Hadron

  • Which planet has Phobos and Deimos moon?
  • What type of organism doesn’t need oxygen for growth?
    Anaerobic type.
  • What type of bond is present in a water molecule?

    hydrogen bond

  • Is water and salt an organic or inorganic compound?

    It is an inorganic compound.

  • Name the man known as the father of taxonomy?

    Carolus Linnaeus

  • How does the human eye detect light?
    With the help of retina
  • Do humans have endoskeleton or exoskeleton?


  • What do we call the tube-like the organ in a butterfly?

    The proboscis

  • Which organism lives without the heart


  • Who was the first man to see bacteria?
    Anton van Leeuwenhoek
  • What is A programmed death cell process called?
    Apoptosis is that process
  • Name of plants and animals that live together?
  • Is SPF an agent in sunblock?

    No its sun protection factor, not an agent.

  • How many bacterial cells are in the human body?
    There are ten times more bacterial cells than body cells.
  • From where does the major earth oxygen come from?

    Phytoplankton a herb live in the ocean

  • What book do Christian place on their forehead to treat insomnia?


  • In 240 BC which comet did Chinese sight for the first time?

    Halley’s Comet.

  • What did Bonnie booth do to remove the corn from feet?
    Used 410 shotguns.
  • Eaters of raw flesh people known as?


  • Which is the heaviest organ in humans?


  • What number of hearts does octopus have?


  • What are trivial factors for natural number N


  • What is the strongest magnet on earth?
    Neutron star
  • Do you know where the golden gate bridge is?


  • What is the shape of milky way?
  • Where is Notre Dome located?
  • What is the age of the Earth?
    4.5 billion


  • Which is the fastest spinning planet


  • Where is the leaning tower in Pisa located?
  • Name the element that burns on the surface of the water


  • Which country has the longest coastline?


  • Which one do you think has more hair follicles, brunettes or blondes?
  • Do you know what is pyrogen?

    It is the substance that causes fever.

  • Which blood type is rare in humans?

    AB negative

  • How much dust develop from human skin?
    About 70%
  • What is the reason why eyesight changes with age?
    The eyes muscle get thicker with life thus reduces the sight when a person gets older.
  • Do you know the distance between moon and earth?
    It is approximately 376500 km.
  • Do you think the sun rotates?

    Yes, it rotates in polar once in 31 days while in equator it rotates  once in 27 days .

  • Where is the Suez canal located?


  • Which is the largest reef and where is it located?
    Its name is a great barrier reef present in Australia.
  • Where was the first seismograph invented?
    In China near 200 AD.
  • Who is the inventor of the first battery?
     Count Alessandro Volta
  • What thing makes Aurora?
    The solar wind causes changes in the particular present in the wind.
  • What is the purpose of manometer?
    It is used for measuring the pressure of any closed system.
  • What do you think about which source sound travels faster? Water or air?
    In water, sound travels faster
  • What unit do scientists use for the measure of radioactivity?
    Its bacqueral that is one disintegration per second
  • What is the symbol of silver?
    Its Ag from its Latin word Argentum.
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