210+ Science Trivia Questions and Answers

Science is a field of study that covers a wide range of topics. To be considered a scientific fact, something must be able to be proven through observation and experimentation.

Scientists are constantly learning new things and revising old theories. That’s what makes science so interesting! One way to learn more about science is by testing your knowledge with trivia quizzes.

Below are over 200 science trivia questions and answers for you to test your science knowledge. See how many you can get right!

Science Trivia Questions and Answers

Science Trivia Questions and Answers

Question: What was the first vaccine for?
Answer: Smallpox

Question: What units is electric resistance typically measured in?
Answer: Ohms

Question: How many bones can be found in a giraffe’s neck?
Answer: Seven

Question: The gaps between nerve cells are called what?
Answer: Synapses

Question: The Japanese word “sakura” means the blossoming of what kind of tree?
Answer: Cherry tree

Question: Atoms of the same chemical element but with different atomic masses are known as what?
Answer: Isotopes

Question: Water is made up of what two elements in the periodic table?
Answer: Hydrogen and oxygen

Question: What causes the moon to shine?
Answer: The reflection from the sunlight

Question: What part of the human brain controls hunger?
Answer: Hypothalamus

Question: What instrument is used for accurately measuring small amounts of liquid?
Answer: Pipette

Question: Which blood type is the rarest?
Answer: AB-

Question: What is the scientific word for pull or push?
Answer: Force

Question: The smallest bones in the human body are located where?
Answer: The ear

Question: Syncope is the medical name for what condition?
Answer: Fainting

Question: Ganymede is a moon that is found in which planet?
Answer: Jupiter

Question: What is the name of the first artificial satellite?
Answer: The first artificial satellite was Sputnik 1, launched by the Soviet Union in 1957

Question: About how old is Earth?
Answer: No one knows, only God knows

Question: What is the heaviest element on the periodic table?
Answer: The heaviest element on the periodic table is uranium.

Question: What number on the Richter scale does an earthquake have to reach to be considered major?
Answer: 7

Question: What part of the brain is responsible for vision?
Answer: Occipital

Question: Around what percentage of animal species are invertebrates?
Answer: 95%

Question: The calm center part of a hurricane is called what?
Answer: The Eye

Question: The metamorphism of what rock forms marble?
Answer: Limestone

Question: The splitting of atomic nuclei is called what?
Answer: Nuclear Fission

Question: What is the chemical structure of magnesium sulfate?
Answer: MgSO4

Question: Who was the first man to see bacteria?
Answer: Antony Leeuwenhoek

Question: The sticky part of the pistil is called what?
Answer: Stigma

Question: What layer of the Earth is right below the crust?
Answer: Mantle

Question: How many elements are there in the periodic table?
Answer: 118

Question: How many bones do sharks have?
Answer: They have no bones

Question: What is the earth’s primary source of energy?
Answer: The sun

Question: What gas is important so that we can breath?
Answer: Oxygen

Question: What are the four states of matter?
Answer: Solid, liquid, gas, plasma

Question: What is the main structural molecule in hair and nails?
Answer: Keratin

Question: How many teeth does an adult human have?
Answer: An adult human has 32 teeth

Question: What is the galaxy closest in light-years to the Milky Way Galaxy discovered so far?
Answer: Andromeda

Question: What do bees collect and use to create honey?
Answer: Nectar

Question: Which form of energy can we see with the naked eye?
Answer: Light

Question: True or false: Sound travels faster in air than in water.
Answer: False

Question: Which planet spins the fastest, completing one whole rotation in just 10 hours?
Answer: Jupiter

Question: True or false: Chloroplasts can be found in animal cells.
Answer: False

Question: At what temperature is Fahrenheit equal to Centigrade?
Answer: -40 degrees

Question: What ongoing process allows water to be constantly recycled?
Answer: Water Cycle

Question: What is the freezing temperature of water?
Answer: The freezing temperature of water is 32 degrees Fahrenheit (0 degrees Celsius)

Question: Which specific organ in the body causes diabetes to develop?
Answer: Pancreas

Question: What type of bond involves the sharing of electron pairs between different atoms?
Answer: Covalent

Question: A scientist who specializes in the study of cells is called what?
Answer: Cytologist

Question: What is the name of the world’s largest reef?
Answer: Great Barrier Reef

Question: What animal is the closest living relative of a human?
Answer: Chimps and bonobos

Question: What is the only planet in our solar system less dense than water?
Answer: Saturn

Question: What part of the brain deals with hearing and language?
Answer: Temporal lobe

Question: Bronze is an alloy consisting primarily of what two elements?
Answer: Copper and Tin

Question: Olympus Mons is a large volcanic mountain on which planet?
Answer: Mars

Question: How many chambers make up the human heart?
Answer: Four

Question: Mechanical engineer Wilhelm Conrad Roentgen was from what country?
Answer: Germany

Question: What is it called when you make light change direction by passing it through a lens?
Answer: Refraction

Question: Which two elements on the periodic table are liquids at room temperature?
Answer: Mercury and Bromine

Question: Electric current is measured using what device?
Answer: Ammeter

Question: What is the first phase of mitosis?
Answer: Interphase

Question: What is the shape of DNA known as?
Answer: A double helix

Question: What is the distance between the moon and earth?
Answer: 238,900 miles

Question: Apatosaurus is also widely known by what other name?
Answer: Brontosaurus

Question: A person who studies fossils and prehistoric life, such as dinosaurs, is known as what?
Answer: Paleontologist

Question: What is the formal name for climate studies?
Answer: Climatology

Question: What part of the human body is the axilla?
Answer: The armpit

Question: What is the name of the biggest part of the human brain?
Answer: The cerebrum

Question: What are the four primary precious metals?
Answer: Gold, silver, platinum, and palladium

Question: What is the inflammation of the liver called?
Answer: Hepatitis

Question: Who created the universe?
Answer: God

Question: What is the strongest magnet in the universe?
Answer: Magnetars

Question: What is the sun mostly made up of?
Answer: Hydrogen

Question: What gas makes up most of the atmosphere of Mars?
Answer: Carbon Dioxide

Question: What is the average life cycle of a red blood cell?
Answer: 120 days

Question: What color has the longest wavelength in the visible spectrum?
Answer: Red

Question: Penicillin is used to fight what type of infections?
Answer: Bacterial

Question: What type of bond is present in a water molecule?
Answer: Hydrogen Bond

Question: What is the scientific term for peeling skin?
Answer: Desquamation

Question: What is so reactive with water that it has to be stored in oil because it will react with the air’s moisture?
Answer: Potassium

Question: Animals that eat both plants and meat are called what?
Answer: Omnivores

Question: What reaction releases energy into its surroundings?
Answer: Exothermic reaction

Question: What is the study of the interaction or relationship of living organisms to one another?
Answer: Ecology

Question: A nuclear reaction where the nucleus of an atom splits into smaller parts is known as what?
Answer: Nuclear fission

Question: What flap on your windpipe helps keep out food particles?
Answer: Epiglottis

Question: What is it called when a solid changes directly into a gas?
Answer: Sublimation

Question: What is the medical term for bad breath?
Answer: Halitosis

Question: What is the seventh planet from the Sun?
Answer: Uranus

Question: What gas makes soda bubbly?
Answer: Carbon Dioxide

Question: What gas is essential in the production of fertilizers and light bulbs?
Answer: Nitrogen

Question: What is the process of breaking down food called?
Answer: Digestion

Question: What do you count on a tree to tell how old it is?
Answer: It’s rings

Question: What is the smallest named time interval?
Answer: Planck time

Question: What gives onions their distinctive smell?
Answer: Sulfer

Question: What is the long pipe’s name that moves food from the back of the throat down to the stomach?
Answer: The esophagus

Question: What scientist proposed the theory of continental drift?
Answer: Alfred Wegener

Question: The movement of pollen from the anthers to a flower’s stigma is known as what?
Answer: Pollination

Question: What planet is famous for its big red spot on it?
Answer: Jupiter

Question: What is the electrical charge of a neutron?
Answer: No charge

Question: Aspirin comes from the bark of what tree?
Answer: Willow

Question: What is the world’s largest Hydroelectric Power Plant?
Answer: Three Gorges Dam

Question: What does the human lacrimal gland produce?
Answer: Tears

Question: What color catches the eye first?
Answer: Yellow

Question: How many vertebrae in the human spine?
Answer: 33

Question: The process of pasteurization is named after which French microbiologist?
Answer: Louis Pasteur

Question: What is the powerhouse of the cell?
Answer: Mitochondria

Question: According to Apollo astronauts, the Moon smells like what?
Answer: Burnt gunpowder

Question: What element is a diamond composed of?
Answer: Carbon

Question: What scale is used to measure the hardness of minerals?
Answer: Mohs scale

Question: Brass is an alloy of which two metals?
Answer: Copper and zinc

Question: What is the quality of an object that allows it to float on water?
Answer: Buoyancy

Question: What is the name of NASA’s most famous space telescope?
Answer: James Webb Telescope

Question: Electric power is typically measured in what units?
Answer: Watts

Question: The earth has three layers that are different due to varying temperatures. What are its three layers?
Answer: Crust, mantle, and core

Question: A unit of electromotive force is called what?
Answer: Volt

Question: The small intestine is made up of jejunum, ileum, and what?
Answer: Duodenum

Question: Botulinum toxin is commonly referred to as what?
Answer: Botox

Question: What is the largest nerve in the human body?
Answer: Sciatic

Question: Frogs belong to which animal group?
Answer: Amphibians

Question: What does a conchologist collect?
Answer: Seashells

Question: What is the name of a weather instrument used to measure atmospheric pressure?
Answer: A barometer

Question: What does “SPF” mean in sunscreen?
Answer: Sun Protection Factor

Question: What was the first planet discovered with the aid of a telescope?
Answer: Uranus

Question: What does the gall bladder secrete?
Answer: Bile

Question: What disease stems from the medieval term that means ‘bad air’?
Answer: Malaria

Question: Who begins food chains?
Answer: Producers

Question: What is the largest internal organ of the human body?
Answer: Liver

Question: What element did Joseph Priestley discover in 1774?
Answer: Oxygen

Question: What kind of energy does an unlit match have?
Answer: Chemical energy

Question: True or false: The graduated cylinder is a tool that’s used to measure fluid volume.
Answer: True

Question: What instrument do you use to measure wind speed?
Answer: Anemometer

Question: NaCI is the chemical formula of which common substance?
Answer: Salt

Question: Specialized cells are called photoreceptors. What are the 2 types of photoreceptors in the retina called?
Answer: Rods and cones

Question: What part of the body are low-density lipoproteins most likely to clog?
Answer: Arteries

Question: What is it called when an individual doesn’t offer to help someone in an emergency if there are other people present?
Answer: Bystander effect

Question: What enzyme in the human mouth helps digest carbohydrates?
Answer: Salivary Amylase

Question: What planet is circled by two moons?
Answer: Mars

Question: What is the scientific name for the job or role an organism plays in its habitat?
Answer: Niche

Question: What is another name for the SA node in the heart?
Answer: Pacemaker

Question: What is the shape of the Milky Way?
Answer: Spiral

Question: What does Earth do that causes night and day?
Answer: Rotates

Question: Optics is the study of what?
Answer: Light

Question: What sense is most closely linked to memory?
Answer: Smell

Question: What planet in our solar system has the most gravity?
Answer: Jupiter

Question: The study of human remains is called what?
Answer: Archaeology

Question: Who invented the microscope?
Answer: Zacharias Janssen

Question: What is the symbol of the element silver?
Answer: Ag

Question: What is the name of the process where plants lose water in the atmosphere?
Answer: Transpiration

Question: Which psychological concept did Pavlov’s dog help him describe?
Answer: Conditioning

Question: What element is named after the Greek word for green?
Answer: Chlorine

Question: What do you call molten rock before it has erupted?
Answer: Magma

Question: What metal is the best conductor of electricity?
Answer: Silver

Question: What does the ER of a cell stand for?
Answer: Endoplasmic Reticulum

Question: What is the fourth planet from the sun?
Answer: Mars

Question: Who is the father of modern taxonomy?
Answer: Carolus Linnaeus

Question: Oncology focuses on what disease?
Answer: Cancer

Question: What is the tallest type of grass?
Answer: Bamboo

Question: How many cervical vertebrae are there in the typical human body?
Answer: Seven

Question: What is the smallest organ in the human body?
Answer: Pineal gland

Question: The Arrector Pili muscles are responsible for what phenomenon?
Answer: Goosebumps

Question: What is the fin on the backs of fish, some whales, and dolphins called?
Answer: Dorsal Fin

Question: What does ‘E’ represent in E=MC2?
Answer: Energy

Question: Who first proposed the concept of contact lenses?
Answer: Leonardo da Vinci

Question: Which of Newton’s Laws states that ‘for every action, there is an equal and opposite reaction?’
Answer: The third law of motion

Question: What is the name of the red pigment found in vertebrates that functions in oxygen transport?
Answer: Hemoglobin

Question: The chemistry of carbon is known as what?
Answer: Organic chemistry

Question: A magnifying glass is what type of lens?
Answer: Convex

Question: The innermost part of bones contains what?
Answer: Bone marrow

Question: In terms of engineering software, what does CAD stand for?
Answer: Computer-Aided Design

Question: What are the chewing teeth called?
Answer: Incisors

Question: What is the fattiest human organ?
Answer: Brain

Question: What is the second most abundant mineral in the human body?
Answer: Phosphorus

Question: What are the lower chambers of the human heart called?
Answer: Ventricles

Question: What is the study of plant life called?
Answer: Botany

Question: What is made by white blood cells to help fight off infection?
Answer: Antibodies

Question: What inorganic molecule is produced by lightning?
Answer: Ozone

Question: When a gas changes into a liquid, it is called what?
Answer: Condensation

Question: Who was the first person to walk on the moon?
Answer: Neil Armstrong

Question: The study of the weather is called what?
Answer: Meteorology

Question: How do you calculate density?
Answer: Density is mass divided by volume

Question: Which component of an atom might you expect to be orbiting around it?
Answer: Electrons

Question: What does the term ‘PCR’ stand for?
Answer: Polymerase chain reaction

Question: What is the sun?
Answer: A star

Question: What is the programmed death cell process called?
Answer: Apoptosis

Question: What is the only bone in the human body that isn’t attached to another bone?
Answer: Hyoid bone

Question: What procedure known for sound navigation?
Answer: Sonar

Question: Most of a penny is made from what type of metal?
Answer: Zinc

Question: The deepest point in all of the world’s oceans is named what?
Answer: Mariana Trench

Question: To any astronaut, what is an EVA?
Answer: Extravehicular activity

Question: Where on the human body are the most sweat glands?
Answer: Bottom of the feet

Question: What does ‘NMR’ stand for?
Answer: Nuclear Magnetic Resonance

Question: What islands were extensively studied by Charles Darwin?
Answer: Galapagos Islands

Question: What is the most malleable metal?
Answer: Gold

Question: Mycology is the scientific study of what?
Answer: Fungi

Question: Substances that don’t conduct heat are known as what?
Answer: Insulators

Question: The wire inside an electric bulb is known as what?
Answer: Filament

Question: What condition is singultus?
Answer: Hiccups

Question: In terms of computing, what does CPU stand for?
Answer: Central Processing Unit

Question: What is a unit that measures force?
Answer: Newtons

Question: Who was the inventor of the first battery?
Answer: Alessandro Volta

Question: What was the first sound-recording device called?
Answer: Phonograph

Question: Which constellation are the stars Castor and Pollux in?
Answer: Gemini

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

Question: What is the center of an atom called?
Answer: The nucleus

Question: Between which two planets does the asteroid belt lie?
Answer: Jupiter and Mars

Question: What are the three-time periods of the dinosaurs?
Answer: Triassic, Jurassic, and Cretaceous

Question: What are the four types of adult human teeth?
Answer: Incisors, canines, premolars, molars

Question: What is the largest known land animal?
Answer: Elephant

Question: What are the muscles found in the front of the thighs are known as?
Answer: Quadriceps

Question: What is the chemical symbol for lead?
Answer: Pb

Question: What country experiences the most tornadoes?
Answer: United States

Question: What is the name of the most recent supercontinent?
Answer: Pangea

Question: A single piece of coiled DNA is known as what?
Answer: Chromosome

Question: What is the chemical symbol of gold?
Answer: Au

Question: Where is the world’s most active volcano located?
Answer: Hawaii

Question: What’s the study of materials at very low temperatures?
Answer: Cryogenics

Question: How long is an eon?
Answer: A billion years

Question: The process of weathered material moving due to gravity is called what?
Answer: Erosion

Question: What is another name for a tidal wave?
Answer: Tsunami

Question: Who formulated the theory of evolution in his book, The Origin of Species?
Answer: Charles Darwin

Question: Who split the atom?
Answer: Ernest Rutherford

Question: Which moon of Saturn has a methane cycle?
Answer: Titan

Question: What is the nearest planet to the sun?
Answer: Mercury

Question: What planet is closest in size to Earth?
Answer: Venus

Question: Someone who studies earthquakes is known as what?
Answer: Seismologist

Question: What is a Geiger Counter used to measure?
Answer: Radiation

Question: Who was the first woman in space?
Answer: Valentina Tereshkova

Science Trivia Questions and Answers PDF

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