200+ Science Trivia Questions With Answers

200+ Science Trivia Questions With Answers

Science has been an integral subject of school and college life. Some of you may have loved the subject, though some may have hated science more than any other subject. However, the fact remains there that science is the most influenced and important subject during school and college life. It is very important for kids and young men to have an idea of the basic knowledge of science so that they may be able to know about different aspects of life, physics, and chemistry. No matter what we all had to study the subject of science up to certain standard. This article is based on the science trivia questions ranging from easy to hard questions. The following are some science trivia questions.

Science Trivia Questions and Answers
Science Trivia Questions and Answers

  1. What are the units for the measurements of radioactive element activity?

    The Becqueral (Bq). 1 Bq = 1 disintegration per second.

  2. What would you get if you mix all light colours together?


  3. What is the symbol of element silver?


  4. How much patents did Thomas Edison filed alone?


  5. What does ATP stands for?

    Adenosine triphosphate.

  6. What is trepanning?

    An ancient form of medicine which involved making holes in human skull to relieve pressure

  7. What does ADP stands for?

    Adenosine diphosphate.

  8. What is affecting the services of Earth, either meteor or meteorite?


  9. What is the shortest magnet of the Universe?

    A Neutron Star.

  10. Which is the hottest planet of the solar system?


  11. What is temperature on Venus?

    460 degrees Celsius.

  12. Why does eyesight change as you get older?

    The eye’s lens continues to grow throughout life, becoming thicker and less transparent.

  13. What is the distance of moon from earth?

    376, 600 Km.

  14. Where sound travels faster, either in water or air?


  15. What is the opposite of matter?


  16. What is the amount of salt in average human body?

    250 grams.

  17. What is the reason for popping up of bubbles?

    Bubbles get dry from surrounding air.

  18. Which is the first law of conservation of energy?

    Energy of the universe is constant, it can neither be created nor destroyed but can be transferred from one form to another.

  19. How many bones are there in human body?


  20. What is Xylem?

    The hollow woody tissue in plants that carries water and minerals from the roots to throughout the entire plant

  21. What quantity of dust in homes is made of human skin?

    Almost 70 percent.

  22. Can humans lick their elbows?


  23. Will there be any impact on your height if you go to space?

    Your height will increase.

  24. What is manometer used for?

    Measuring the pressure of closed system.

  25. Which organisms are known as the oldest fossils?

    Blue-Green Algae.

  26. What is a buret?

    A long tube of glass usually marked in 0.1mL units that’s equipped with a stopcock for the controlled addition of a liquid to a receiving flask.

  27. Where the Blue - Green Algae were first found in fossils?

    In South Africa and were about 3.2 billion years old.

  28. What is the unit Scoville Heat used for?

    For the measurement of heat of chilies.

  29. What is a tomato, either a fruit or vegetable?


  30. Where is the largest known meteorite crater on Earth?

    Vredefort Ring in South Africa, 299 km diameter.

  31. What name is given to the planets located outside solar system?

    Extrasolar planets.

  32. Which blood type is the rarest in the humans?

    AB negative.

  33. What is the percentage of AB negative blood type in humans?

    Less than 1 percent.

  34. Which of the Australian timber has made the London Docks?

    Turpentine; Syncarpia glomulifera.

  35. What is the name of Sydney Blue gum?

    Eucalyptus saligna.

  36. What is the basic cause of Aurora?

    Charged particles from solar wind.

  37. Which substance is the hardest in the entire human body?

    Enamel of Tooth.

  38. Which is the longest type of cell in human body?

    The neurons.

  39. What is the function of bile in human body?

    Emulsify the small intestine.

  40. Which is the only metal to be liquid at room temperature?


  41. Who is the inventor of battery?

    Count Alessandro Volta.

  42. What is the pyrogen?

    Substance causing fever.

  43. Who has more hair follicles, blondes or brunettes?


  44. What is the location of Pinna in human bodies?

    Outer ear.

  45. What does DC stands for?

    Direct Current.

Science Trivia for High School Students
Science Trivia for High School Students

  1. Name the only Australian mammal who is restricted to the alpine environment?

    The mountain pygmy possum.

  2. What is the age of the Sun?

    5 Billion years.

  3. What happens when lightening hit the tree?

    The water in the tree boils up and burst up the tree.

  4. What is the name of the tallest grass of the world?


  5. What is the average height of Bamboo?

    39 meters.

  6. Is Obsidian an igneous, sedimentary or metamorphic rock?


  7. Name the country having longest coastline?


  8. What is the cause of Tsunami?

    Tsunami is caused by the displacement of water due to earthquake or landslide under sea.

  9. What is dust?

    Small particles carried by air currents.

  10. When was the first ever seismograph invented?

    200 A.D.

  11. Where was the first ever seismograph invented?


  12. Is the stratosphere above or below the troposphere?

    Extending 50km above the troposphere.

  13. What is the temperature of human body during digestion?

    Slightly higher than normal.

  14. Name the three smallest bones in human body?

    Malleus, Incus, and Stapes.

  15. What is the size of normal human body?

    Smaller than Neanderthal brain.

  16. Name the longest living structure on earth?

    The greater barrier reef, Australia.

  17. What name is given to animals and plants collectively?


  18. Name the oldest living thing known living on earth?

    Bristlecone Pine.

  19. What is the highest recorded surface wind speed on earth?

    372 Km per hour.

  20. Where was the highest speed of wind recorded?

    Over MT Washington.

  21. Which chemical causes the burning taste sensation when eating chilies?


  22. What is the coolest layer of atmosphere?


  23. What is the average heat of lightening?

    3 times hotter than sun.

  24. What formation on Earth can have the names tabular, blocky, wedge, dome, pinnacle, dry dock, growler or bergy bit?


  25. Name the crystalline formation in the caves?


  26. What is the function of manometer?

    Measuring pressure of closed system.

  27. Which planet is closest to the sun?


  28. What is the composition of sun?

    About 70 percent hydrogen, 28 percent helium, and 2 percent other mass.

  29. Where is the Suez Canal located?


  30. Is sun also rotating?

    Yes, about 27 days it rotates once.

  31. What is the size of Milky Way?

    The mass is about 750 billion and 1 trillion solar masses.

  32. Who was the last president of the Soviet Union?

    – Mikhail Gorbachev.

  33. What political system was gradually dismantled in South Africa, starting in 1989?

    – Apartheid.

  34. Where is Pisa tower located?


  35. What is the age of earth?

    About 4.5 billion years.

  36. What is the age of this universe?

    About 15 billion years old.

  37. Which of the planet is rotating fastest?


  38. How fast Jupiter do rotates?

    About 1 times in under 10 hours.

  39. Where is the Pyrenees located?

    In between France and Spain.

  40. Where is the Golden Gate Bridge located?

    San Francisco.

  41. What star other than the sun is closest to the earth?

    – It is Proxima Centauri, the nearest member of the Alpha Centauri triple star system.

  42. What Milky Way actually is?

    The spiral galaxy.

  43. Why a duck’s quack doesn’t echo?

    – No one knows.

  44. What bird was domesticated first?

    The first bird domesticated by man was the goose.

  45. What is Pisa tower known for?

    Because of its tilt.

Science Trivia for Elementary School
Science Trivia for Elementary School

  1. How many bones are there in the human body?


  2. How many bones are there in infant human body?


  3. What percentage of dust is made of human bodies?

    70 percent.

  4. What trepanning is?

    Ancient medicine technique for making holes in human skull for reliving pressure.

  5. Which is most dangerous among bees, snakes, house flies, or sharks when attributed to human deaths?

    House flies.

  6. What do house flies carries causing human deaths?


  7. What do bile juice contains at most?

    75 percent of copper.

  8. Which is the chemical causing burning sensation when eating chilies?


  9. What is the temperature required for the conversion of graphite in to diamond?

    3000 degrees Celsius.

  10. What is pressure required for converting graphite in to diamond?

    100, 000 atmospheres.

  11. Define buret?

    Long tube of glass marked at 0.1 mL units for measuring liquids.

  12. Which of the noble gasses is having A as its first letter.


  13. What is white gold?

    White gold is an alloy of gold and white metal such as palladium or silver.

  14. Why nickel is not used for white gold?

    Because it cause skin allergies.

  15. What is the fool’s gold?

    The crystals of iron pyrite.

  16. What is the symbol of silver?


  17. What is the symbol of Gold?


  18. Which element can burn on the surface of water?


  19. What is Latin name of Tin?


  20. Which is the first ever element created in laboratory?


  21. Name the lightest element?


  22. What is the name of salt formers elements?


Random Science Trivia Questions and Answers
Science Trivia for 8th Graders

  1. Name the largest part of human brain?


  2. What is the name of coloured part of human eyes which is controlling the light passing through the pupil?


  3. What is the name of substance which is giving skin and hair its pigments?


  4. What are the muscles known which are found in front of thighs?


  5. What are the chambers of heart known located at the bottom?


  6. Of which substance the nails are made of?


  7. Which is the human’s body biggest organ?


  8. What is the inner most part of the bones known as?

    Bone Marrow.

  9. Is average adult human body having over 500 bones?


  10. What is the second name of human voice box?


  11. What are the two holes of human nose known as?


  12. What is the optical phenomenon in the fringe pattern of CD?


  13. What are the exchange particles in the quark-quark interaction?


  14. The pollutants which move downward with percolating groundwater are called?


  15. What is the function of human tongue?

    Tasting different things.

  16. On what is the principle of working of rockets based?

    Law of conservation of momentum.

  17. What is in the human tongue for tasting different things?

    Taste buds.

  18. What are the bones known which makes up the spine?


  19. What is the shape of human’s DNA?

    Double helix.

  20. What is the shape of RNA?


  21. What are the bones around the chest known as for protection of heart and lungs?


  22. What is the flow of blood form heart to all parts of body known as?


  23. What is the name of the long pipe that shifts food from the back of your throat down to your stomach?


  24. Which part of human body is serving purpose of maintaining balance?


  25. The outside layer of skin on the human body is called the?


Science Trivia for 8th Graders
Science Trivia for 8th Graders

  1. What is the cause of maximum deaths in the United States than lightening?


  2. What is given to wood whose normal cells have been replaced with mineral deposits?

    Petrified wood.

  3. What is the type of pollination caused by birds?


  4. What are rodents?

    The animals who eat by stealing food.

  5. Who many incisor teeth do rats have?


  6. What is the percentage of fire related deaths due to smoke inhalation than the burns?

    80 percent.

  7. Fraction of volume of ice seen outside when immersed in water?

    10.5 percent.

  8. What is the name of fruit similar to plantain?


  9. Which president is acknowledged as the world’ authority on American game animals?

    Theodore Roosevelt.

  10. What is DMM?

    Digital multi-meter.

  11. Until now how many people have landed on moon?


  12. Which is the fastest terrestrial animal?


  13. In which country the greatest tornadoes occur?

    United States of America.

  14. Name the drug known as wonder drug?


  15. Whom used the wonder drug at its initial times?

    U.S Navy and Army.

  16. When was penicillin made pubic?

    In 1944.

  17. Which is the saltiest sea in the world?

    Dead Sea.

  18. Which colour indicate Highest Temperature?

    Dull red.

  19. Why Dead Sea is known as Dead Sea?

    Because of its Saline nature and don’t drown people.

  20. What type of beetle is the scarab worshipped by Egyptians?

    Dung Beetle.

  21. What is effect on your weight as you go down in to earth?

    Decreases slightly.

  22. What is fog?

    When dust particles get entangled in air particle in atmosphere.

  23. What is smog?

    Smog is the mixture of dust and smoke particles entangled in air.

Science Trivia for 5th Graders
Science Trivia for 5th Graders

  1. Which scientists are studying the motion?


  2. Which is the force resisting motion of different objects?


  3. Which ball would travel long distance if launched from catapult either cotton or iron ball?

    Iron ball.

  4. Why do cotton ball do not travel long distance if thrown?

    Because of light weight.

  5. Which law of motion says that it is harder to move something with a larger mass?

    Law 2.

  6. Which force is pulling earth towards its centre?


  7. Who gave the laws of motion?


  8. Will adding weight to your car affect its motion?

    It will move slower than normal speed.

  9. What is the light year?

    The distance traveled by light in one year

  10. Which law says that an object in motion will stay in motion unless another forces changes that?

    Law 1.

  11. Which law of motion say that for every action there is an equal and opposite reaction?

    Law 3.

  12. What is acceleration?

    Rate of change of velocity.

  13. What is force?

    The push or pull.

  14. If you hit a golf ball, a cotton ball, and a baseball with an equal amount of force, which will accelerate the most?

    The Cotton Ball.

  15. Define weight?

    The force of gravity on an object.

  16. What is LPG?

    Liquefied Petroleum Gas.

  17. What does LPG contains?

    Butane and Propane.

  18. What force is used for the launching rockets?

    Air Pressure.

  19. Which of the following best explains why your body leans to the side when taking a sharp turn in a car?


Science Trivia for Grade 3
Science Trivia for Grade 3

  1. Which component of soil is made of the living materials previously?

    Organic matter.

  2. What is the name of scientist who studies plants living or dead?


  3. Who studies the living animals?


  4. What is the part of flower having the charge to perform photosynthesis?


  5. How plants make their food?

    Through photosynthesis.

  6. What does coffee contains?


  7. What is the name of gadget used for the detection of feeble current?


  8. What does ammeter reads?


  9. What are the leaves called that people use to flavor their food?


  10. Which of the component of soil is absorbing water at most?


  11. What is the most important factor for the conduction of photosynthesis?


  12. What part of the flowers are containing the pollen?


  13. What are the tiny tubes called inside the stem that bring water from the roots to the rest of the plant?


  14. If you put an insect and a plant in airtight container, what can you expect to happen?

    They use and release different types of air, so they should continue to live.

  15. Which part of the plant is going in to the ground for the deliverance of stability and absorbing water?


  16. Is sunlight a must for the process of pollination?


  17. Through what the plants are using their life cycle?


  18. What is not considered as the fruit scientifically?


  19. From where does the plants are getting energy?


  20. Which part of the plant attracts insects to help with pollination?


  21. What is the most important for living things to live?


  22. Why do we eat?

    To fulfill the energy requirements of the body.