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250+ Science Trivia Quiz Questions with Answers
We all learn science in school and college whether we like it or hate it. You may be the Einstein in a group of your friends or just a backbencher. Science is an integral part of our school life.
Kids and young men need to have an idea of the basic knowledge of science. Here is a science trivia quiz to test your knowledge. Plus, you can challenge your friends and family member. It is a healthy activity to spend some quality time together on weekends or Sundays.
- What element did Joseph Priestley discover in 1774?
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Oxygen.
- What inorganic molecule does lightning produce?
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Ozone.
- Bronze is an alloy consisting of what two elements?
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Copper and Tin.
- Name the planet nearest to the Sun?
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Mercury.
- Name the three layers of the Earth?
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Crust, mantle, and core.
- Name the largest known land animal?
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Elephant.
- Which of Newton's Laws states that 'for every action, there is an equal and opposite reaction?'
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The third law of motion.
- How many elements are there in the periodic table?
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118.
- Name the tallest type of grass?
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Bamboo.
- How many bones do sharks have?
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Zero.
- Diabetes develops due to a problem with which specific organ in the body?
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Pancreas.
- What is the rarest blood type?
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AB-.
- Which type of bond formed by the sharing of electron pairs between different atoms?
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Covalent.
- Where is the world's most active volcano located?
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Hawaii.
- What disease comes from the medieval term that means bad air?
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Malaria.
- Optics is the study of what?
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Light.
- What part of the brain deals with hearing and language?
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Temporal lobe.
- What is the most malleable metal?
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Gold.
- Animals that eat both plants and meat are called what?
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Omnivores.
- What is the quality of an object that allows it to float on water?
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Buoyancy.
- What is the largest internal organ of the human body?
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Liver.
- Oncology focuses on what disease?
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Cancer.
- What procedure is known for sound navigation?
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Sonar.
- What planet in our solar system has the most gravity?
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Jupiter.
- Penicillin is used to fight what type of infections?
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Bacterial.
- What is the medical term for bad breath?
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Halitosis.
- The study of the weather is called what?
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Meteorology.
- What is a Geiger Counter used to measure?
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Radiation.
- What is the symbol of the element silver?
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Ag.
- What does 'E' represent in E=MC2?
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Energy.
- According to Apollo astronauts, the moon smells like what?
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Burnt gunpowder.
- Frogs belong to which animal group?
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Amphibians.
- Which component of an atom orbiting around it?
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Electrons.
- Mycology is the scientific study of what?
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Fungi.
- Name the red pigment found in vertebrates that helps transport oxygen?
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Hemoglobin.
- What is the electrical charge of a neutron?
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No charge.
- What kind of energy does an unlit match have?
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Chemical energy.
- How do you calculate density?
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Density is mass divided by volume.
- Which psychological concept did Pavlov's dog help him describe?
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Conditioning.
- In terms of pH, what is ammonia?
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Basic.
- What is the age of the Earth?
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4.5 billion years.
- What is the name of the most recent supercontinent?
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Pangea.
- What is the scientific term for peeling skin?
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Desquamation.
- Which moon of Saturn has a methane cycle?
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Titan.
- What is the percentage of invertebrates animal species are?
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95%.
- What animal is the closest living relative of a human?
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Chimps and bonobos.
- What is the powerhouse of the cell?
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Mitochondria.
- Sun made up of which element?
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Hydrogen.
- Which part of the body has the smallest bones?
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The ear.
- What is the scientific name for the job or role an organism plays in its habitat?
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Niche.
- What is the process of weathered material moving due to gravity?
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Erosion.
- What is the fin on the backs of whales and dolphins called?
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Dorsal Fin.
- Which branch of science includes the study of cells?
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Cytologist.
- What part of the brain controls hunger?
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Hypothalamus.
- What flap on your windpipe helps keep out food particles?
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Epiglottis.
- What causes the moon to shine?
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Reflection from the sunlight.
- What does the ER of a cell stand for?
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Endoplasmic Reticulum.
- Hair and nails made from what?
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Keratin.
- What is a unit that measures force?
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Newtons.
- What are the gaps between nerve cells called?
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Synapses.
- What is the galaxy closest in light-years to the Milky Way Galaxy?
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Andromeda.
- In which constellation stars are Castor and Pollux?
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Gemini.
- Diamond composed of which element?
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Carbon.
- Name the first planet discovered with the aid of a telescope?
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Uranus.
- What does a conchologist collect?
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Seashells.
- What is the splitting of atomic nuclei called?
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Nuclear Fission.
- What is the sticky part of the pistil called?
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Stigma.
- What instrument does use to measure wind speed?
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Anemometer.
- What do you count on a tree to tell how old it is?
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It's rings.
- Botulinum toxin is commonly known as what?
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Botox.
- What does the gall bladder secrete?
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Bile.
- What white blood cells produce to help fight off infection?
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Antibodies.
- Which person is known for publishing "The Interpretation of Dreams"?
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Sigmund Freud.
- How many chambers are present in the human heart?
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Four.
- The first vaccine discover for which disease?
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Smallpox.
- Who was the first woman in space?
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Valentina Tereshkova.
- What is the calm center part of a hurricane called?
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Eye.
- What layer of the Earth is right below the crust?
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Mantle.
- What is the first phase of mitosis?
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Interphase.
- What are the lower chambers of the human heart called?
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Ventricles.
- Who begins food chains?
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Producers.
- What part of the brain is responsible for vision?
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Occipital.
- What is the chemical symbol for lead?
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Pb.
- Who is the father of organic chemistry?
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Friedrich Wöhler.
- What scientist proposed the theory of continental drift?
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Alfred Wegener.
- What is the study of plant life called?
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Botany.
- What color catches the eye first?
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Yellow.
- What are the 2-types of photoreceptors in the retina called?
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Rods and cones.
- What is the unit of electromotive force?
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Volt.
- What gas makes up most of the atmosphere of Mars?
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Carbon Dioxide.
- To any astronaut, what is an EVA?
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Extravehicular activity.
- Between which two planets does the asteroid belt lie?
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Jupiter and Mars.
- What is the process of breaking down food called?
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Digestion.
- How many bones are in a giraffe's neck?
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Seven.
- What ongoing process allows water to be constantly recycled?
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Water Cycle.
- What is the average life cycle of a red blood cell?
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120 days.
- What was the first sound-recording device called?
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Phonograph.
- What is the scientific word for push or pull?
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Force.
- What is the only bone in the human body that is not attached to another bone?
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Hyoid bone.
- Who first proposed the concept of contact lenses?
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Leonardo da Vinci.
- What are the four states of matter?
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Solid, liquid, gas, and plasma.
- The metamorphism of what rock forms marble?
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Limestone.
- Aspirin comes from the bark of what tree?
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Willow.
- Name the smallest organ in the human body?
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Pineal gland.
- What are the four primary precious metals?
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Gold, silver, platinum, and palladium.
- What is the only planet in our solar system less dense than water?
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Saturn.
- The Arrector Pili muscles are responsible for what phenomenon?
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Goosebumps.
- What is the smallest named time interval?
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Planck time.
- What reaction releases energy into its surroundings?
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Exothermic reaction.
- What gives onions their distinctive smell?
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Sulfur.
- Name the element derived from the Greek word for green?
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Chlorine.
- How many vertebrae are in the human spine?
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33.
- How long is an eon?
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A billion years.
- Name the process through which plants lose water in the atmosphere?
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Transpiration.
- What part of the human body is the axilla?
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The armpit.
- Name the second most abundant mineral in the human body?
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Phosphorus.
- On which part of the body the most sweat glands are present?
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Bottom of the feet.
- What metal is the best conductor of electricity?
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Silver.
- What does the human lacrimal gland produce?
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Tears.
- What are the four types of adult human teeth?
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Incisors, canines, premolars,and molars.
- What color has the longest wavelength in the visible spectrum?
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Red.
- Syncope is the medical name for what condition?
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Fainting.
- What number on the Richter scale shows a major earthquake?
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7.
- Which scale is used to measure the hardness of minerals?
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Mohs scale.
- What is the largest nerve in the human body?
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Sciatic.
- The small intestine consists of the jejunum, ileum, and what?
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Duodenum.
- What condition is singultus?
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Hiccups.
- Which sense is closely linked to memory?
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Smell.
- NaCl is the chemical formula of which common substance?
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Salt.
- What is the fourth planet from the Sun?
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Mars.
- What is the fattiest human organ?
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Brain.
- Who formulated the theory of evolution?
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Charles Darwin.
- In which part of the body are the ossicles found?
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The ear.
- What is the center of an atom called?
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The nucleus.
- In which nuclear reaction does the nucleus of an atom split into smaller parts?
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Nuclear fission.
- Elements with the same atomic number but different atomic masses are known as what?
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Isotopes.
- What is the name of the biggest part of the human brain?
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The cerebrum.
- Ganymede is a moon of which planet?
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Jupiter.
- Name the muscles found in the front of the thighs?
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Quadriceps.
- The innermost part of bones contains what?
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Bone marrow.
- What is the name of NASA's most famous space telescope?
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Hubble Space Telescope.
- What is the shape of DNA?
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A double helix.
- What is the inflammation of the liver called?
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Hepatitis.
- What planet has a big red spot on it?
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Jupiter.
- What is the Sun?
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A star.
- Who was the first person to walk on the moon?
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Neil Armstrong.
- Olympus Mons is a large volcanic mountain on which planet?
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Mars.
- Name the planet that is closest in size to the Earth?
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Venus
- A single piece of coiled DNA is known as what?
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Chromosome.
- What unit is used to measure Electric power?
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Watts.
- What is the seventh planet from the Sun?
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Uranus.
- The process of pasteurization is named after which French microbiologist?
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Louis Pasteur.
- Electric current is measured using what device?
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Ammeter.
- The wire inside an electric bulb is known as what?
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Filament.
- A magnifying glass is what type of lens?
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Convex.
- What unit is used to measure Electric resistance?
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Ohms.
- The most recognized model of how the universe began is known as the?
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Big Bang.
- What is the primary source of energy for the Earth?
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The Sun.
- Water is composed of what two elements?
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Hydrogen and oxygen.
- What is the deepest point in an ocean of the world?
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Mariana Trench.
- In terms of computing, what does CPU stand for?
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Central Processing Unit.
- Along with whom did Bill Gates find Microsoft?
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Paul Allen.
- What do you call molten rock before it has erupted?
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Magma.
- What are the three time periods of the dinosaurs?
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Triassic, Jurassic, and Cretaceous.
- Someone who studies earthquakes is known as what?
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Seismologist.
- What country experiences the most tornadoes?
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The United States.
- Name the instrument used to measure atmospheric pressure?
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A barometer.
- The Japanese word "sakura" means the blossoming of what kind of tree?
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Cherry tree.
- What is the name of the world's largest reef?
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Great Barrier Reef.
- What islands were extensively studied by Charles Darwin?
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Galapagos Islands.
- The Ayers Rock in Australia is also known as what?
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Uluru.
- What is the freezing temperature of the water?
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32-degrees Fahrenheit (0 degrees Celsius).
- Substances that don't conduct heat are known as what?
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Insulators.
- At what temperature is Fahrenheit equal to Centigrade?
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-40 degrees.
- In terms of engineering software, what does CAD stand for?
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Computer-Aided Design.
- Apatosaurus is also widely known by what other name?
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Brontosaurus.
- A person who studies fossils and prehistoric life is known as what?
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Paleontologist.
- What is another name for a tidal wave?
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Tsunami.
- When a gas changes into a liquid, it is called what?
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Condensation.
- What is it called when a solid changes directly into a gas?
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Sublimation.
- What does "SPF" mean in sunscreen?
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Sun Protection Factor.
- Who was the first man to see bacteria?
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Antony Leeuwenhoek.
- What is another name for the SA node in the heart?
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Pacemaker.
- What instrument is used to measure small amounts of liquid?
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Pipette.
- The study of materials at very low temperatures is called what?
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Cryogenics.
- What planet is circled by two moons?
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Mars.
- The study of human remains is called what?
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Archaeology.
- The chemistry of carbon is known as what?
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Organic chemistry.
- What does the term 'PCR' stand for?
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Polymerase chain reaction.
- Who split the atom?
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Ernest Rutherford.
- What is the chemical formula of magnesium sulfate?
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MgSO4.
- What does 'NMR' stand for?
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Nuclear Magnetic Resonance.
- What is the world's largest Hydroelectric Power Plant?
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Three Gorges Dam.
- Who invented the microscope?
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Zacharias Janssen.
- Who is the father of modern taxonomy?
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Carolus Linnaeus
- What gas makes soda bubbly?
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Carbon Dioxide.
- What enzyme in the human mouth helps digest carbohydrates?
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Salivary Amylase.
- What is the formal name for climate studies?
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Climatology.
- Which form of energy can we see with the naked eye?
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Light
- What does the Earth do that causes night and day?
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It rotates.
- What are the chewing teeth called?
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Incisors.
- Who was the inventor of the first battery?
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Alessandro Volta.
- What is the distance between the moon and Earth?
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238,900 miles.
- What type of bond is present in a water molecule?
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Hydrogen Bond.
- What is the shape of the Milky Way?
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Spiral.
- What is the strongest magnet in the universe?
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Magnetars,
- What is the programmed death cell process called?
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Apoptosis.
- Name the force which helps in remaining on the ground.
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Gravity.
- How many poles a magnet has?
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2.
- Which animal can store water in its body?
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Camel.
- K is the symbol of which element?
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Potassium.
- WBCs stand for what?
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White Blood Cells.
- What is a dolphin, an amphibian, or a mammal?
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A Mammal.
- Which object of the body produces red blood cells?
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Bone Marrow.
- Bamboo is the diet of which animal?
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Giant Panda.
- In which only continent do the giraffes live?
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Africa.
- Name the largest primate animal in the world.
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The Gorilla.
- The animals who feed their babies on milk are known as what?
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Mammals
- Group of the lion is called what?
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Pride.
- What is a female mosquito called and causes Malaria?
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Anopheles.
- NaOH is the chemical formula of which known substance?
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Sodium Hydroxide.
- Dmitri Mendeleev invented what?
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Periodic table.
- How long does Earth take to rotate once?
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24 hours.
- Moon borrows light from which star?
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The Sun.
- Who invented the bulb?
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Thomas Edison.
- Name the brightest planet in the night sky?
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Venus.
- Guppies are omnivores or carnivores?
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Omnivores.
- The animals which feed on plants are?
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Herbivores.
- How many times does a hummingbird beat its wings in a second?
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80 times.
- The animals which eat meat are known as what?
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Carnivores.
- Name the seventh planet from the Sun.
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Uranus.
- What is the percentage of Nitrogen in the air?
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78.09 percent.
- Quicksilver is the other name of which element?
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Mercury.
- Name the softest mineral found on the Earth?
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Talc.
- Our Milky Way has the shape of which food snack?
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Doughnut.
- At what time the pill bugs are most active?
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At night
- Name the mineral necessary for our bones?
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Calcium.
- Where is the smallest bone present in the human body?
Show Answer
Middle ear.
- Which side of the brain controls the left side of the human body?
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Right side.
- Name the hot liquid rock surface under the Earth.
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Magma.
- Name the volcanic rock which can float in water.
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Pumice.
- Which planet has a nickname, the Red Planet?
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Mars.
- Two spoons of sugar dissolved in a glass of water make?
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A solution.
- What do we call the lower part of our Earth?
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Southern Hemisphere.
- Which pigment determines the color of the human skin?
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Melanin.
- Name the person who discovered the Human cell?
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Robert Hooke.
- What does REM stand for?
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Rapid Eye movement.
- Which invisible line dives our Earth into two halves?
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The Equator.
- How many bones are in the axial part of the skeleton?
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80 bones.
- Name the person who studies the plants?
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Botanist.
- Name the person who studies animals?
[Zoologist].
- What is the shape of the full moon?
Show Answer
Circle.
