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
Question: What was the first vaccine for?
Question: What units is electric resistance typically measured in?
Question: How many bones can be found in a giraffe’s neck?
Question: The gaps between nerve cells are called what?
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?
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?
Question: What instrument is used for accurately measuring small amounts of liquid?
Question: Which blood type is the rarest?
Question: What is the scientific word for pull or push?
Question: The smallest bones in the human body are located where?
Answer: The ear
Question: Syncope is the medical name for what condition?
Question: Ganymede is a moon that is found in which planet?
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?
Question: What part of the brain is responsible for vision?
Question: Around what percentage of animal species are invertebrates?
Question: The calm center part of a hurricane is called what?
Answer: The Eye
Question: The metamorphism of what rock forms marble?
Question: The splitting of atomic nuclei is called what?
Answer: Nuclear Fission
Question: What is the chemical structure of magnesium sulfate?
Question: Who was the first man to see bacteria?
Answer: Antony Leeuwenhoek
Question: The sticky part of the pistil is called what?
Question: What layer of the Earth is right below the crust?
Question: How many elements are there in the periodic table?
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?
Question: What are the four states of matter?
Answer: Solid, liquid, gas, plasma
Question: What is the main structural molecule in hair and nails?
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?
Question: What do bees collect and use to create honey?
Question: Which form of energy can we see with the naked eye?
Question: True or false: Sound travels faster in air than in water.
Question: Which planet spins the fastest, completing one whole rotation in just 10 hours?
Question: True or false: Chloroplasts can be found in animal cells.
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?
Question: What type of bond involves the sharing of electron pairs between different atoms?
Question: A scientist who specializes in the study of cells is called what?
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?
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?
Question: How many chambers make up the human heart?
Question: Mechanical engineer Wilhelm Conrad Roentgen was from what country?
Question: What is it called when you make light change direction by passing it through a lens?
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?
Question: What is the first phase of mitosis?
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?
Question: A person who studies fossils and prehistoric life, such as dinosaurs, is known as what?
Question: What is the formal name for climate studies?
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?
Question: Who created the universe?
Question: What is the strongest magnet in the universe?
Question: What is the sun mostly made up of?
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?
Question: Penicillin is used to fight what type of infections?
Question: What type of bond is present in a water molecule?
Answer: Hydrogen Bond
Question: What is the scientific term for peeling skin?
Question: What is so reactive with water that it has to be stored in oil because it will react with the air’s moisture?
Question: Animals that eat both plants and meat are called what?
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?
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?
Question: What is it called when a solid changes directly into a gas?
Question: What is the medical term for bad breath?
Question: What is the seventh planet from the Sun?
Question: What gas makes soda bubbly?
Answer: Carbon Dioxide
Question: What gas is essential in the production of fertilizers and light bulbs?
Question: What is the process of breaking down food called?
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?
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?
Question: What planet is famous for its big red spot on it?
Question: What is the electrical charge of a neutron?
Answer: No charge
Question: Aspirin comes from the bark of what tree?
Question: What is the world’s largest Hydroelectric Power Plant?
Answer: Three Gorges Dam
Question: What does the human lacrimal gland produce?
Question: What color catches the eye first?
Question: How many vertebrae in the human spine?
Question: The process of pasteurization is named after which French microbiologist?
Answer: Louis Pasteur
Question: What is the powerhouse of the cell?
Question: According to Apollo astronauts, the Moon smells like what?
Answer: Burnt gunpowder
Question: What element is a diamond composed of?
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?
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?
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?
Question: The small intestine is made up of jejunum, ileum, and what?
Question: Botulinum toxin is commonly referred to as what?
Question: What is the largest nerve in the human body?
Question: Frogs belong to which animal group?
Question: What does a conchologist collect?
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?
Question: What does the gall bladder secrete?
Question: What disease stems from the medieval term that means ‘bad air’?
Question: Who begins food chains?
Question: What is the largest internal organ of the human body?
Question: What element did Joseph Priestley discover in 1774?
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.
Question: What instrument do you use to measure wind speed?
Question: NaCI is the chemical formula of which common substance?
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?
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?
Question: What is the scientific name for the job or role an organism plays in its habitat?
Question: What is another name for the SA node in the heart?
Question: What is the shape of the Milky Way?
Question: What does Earth do that causes night and day?
Question: Optics is the study of what?
Question: What sense is most closely linked to memory?
Question: What planet in our solar system has the most gravity?
Question: The study of human remains is called what?
Question: Who invented the microscope?
Answer: Zacharias Janssen
Question: What is the symbol of the element silver?
Question: What is the name of the process where plants lose water in the atmosphere?
Question: Which psychological concept did Pavlov’s dog help him describe?
Question: What element is named after the Greek word for green?
Question: What do you call molten rock before it has erupted?
Question: What metal is the best conductor of electricity?
Question: What does the ER of a cell stand for?
Answer: Endoplasmic Reticulum
Question: What is the fourth planet from the sun?
Question: Who is the father of modern taxonomy?
Answer: Carolus Linnaeus
Question: Oncology focuses on what disease?
Question: What is the tallest type of grass?
Question: How many cervical vertebrae are there in the typical human body?
Question: What is the smallest organ in the human body?
Answer: Pineal gland
Question: The Arrector Pili muscles are responsible for what phenomenon?
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?
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?
Question: The chemistry of carbon is known as what?
Answer: Organic chemistry
Question: A magnifying glass is what type of lens?
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?
Question: What is the fattiest human organ?
Question: What is the second most abundant mineral in the human body?
Question: What are the lower chambers of the human heart called?
Question: What is the study of plant life called?
Question: What is made by white blood cells to help fight off infection?
Question: What inorganic molecule is produced by lightning?
Question: When a gas changes into a liquid, it is called what?
Question: Who was the first person to walk on the moon?
Answer: Neil Armstrong
Question: The study of the weather is called what?
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?
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?
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?
Question: Most of a penny is made from what type of metal?
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?
Question: Mycology is the scientific study of what?
Question: Substances that don’t conduct heat are known as what?
Question: The wire inside an electric bulb is known as what?
Question: What condition is singultus?
Question: In terms of computing, what does CPU stand for?
Answer: Central Processing Unit
Question: What is a unit that measures force?
Question: Who was the inventor of the first battery?
Answer: Alessandro Volta
Question: What was the first sound-recording device called?
Question: Which constellation are the stars Castor and Pollux in?
Question: What type of cell division results in two four daughter cells, each with half the number of chromosomes in the parent cells?
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?
Question: What are the muscles found in the front of the thighs are known as?
Question: What is the chemical symbol for lead?
Question: What country experiences the most tornadoes?
Answer: United States
Question: What is the name of the most recent supercontinent?
Question: A single piece of coiled DNA is known as what?
Question: What is the chemical symbol of gold?
Question: Where is the world’s most active volcano located?
Question: What’s the study of materials at very low temperatures?
Question: How long is an eon?
Answer: A billion years
Question: The process of weathered material moving due to gravity is called what?
Question: What is another name for a tidal wave?
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?
Question: What is the nearest planet to the sun?
Question: What planet is closest in size to Earth?
Question: Someone who studies earthquakes is known as what?
Question: What is a Geiger Counter used to measure?
Question: Who was the first woman in space?
Answer: Valentina Tereshkova
Science Trivia Questions and Answers PDF