50 Science Trivia Questions (Medium/Hard Difficulty)

July 25, 2024
Team Building

You found our list of 50 Science-themed trivia questions & answers.

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Looking to host your next epic trivia night, and need a little help coming up with some questions? Well look no further! Whether it’s for your next Pub Quiz, family-fun night, teambuilding, or whatever else the occasion, we hope you’ll enjoy these trivia questions. We’ve included the answer as well as 4 possible multiple choice options for each question - so whatever format you prefer, we’ve got you covered.


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Science Trivia Questions

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1. How long is the lifespan of a human red blood cell?

Answer: 120 days

a) 60 days

b) 90 days

c) 120 days

d) 150 days

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2. What is the longest type of cell in the body?

Answer: Nerve Cell (or Neuron)

a) Muscle cell

b) Skin cell

c) Nerve Cell

d) Red blood cell

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3. Where would you find your pinna?

Answer: Ear

a) Hand

b) Foot

c) Ear

d) Nose

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4. How many bones are there in a human foot?

Answer: 26

a) 24

b) 26

c) 28

d) 30

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5. The word "muscle" comes from a Latin word meaning what?

Answer: Little mouse

a) Strong

b) Bundle

c) Little mouse

d) Flexor

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6. Which animal possesses the largest brain relative to its body size?

Answer: Sperm whale

a) Elephant

b) Sperm whale

c) Dolphin

d) Gorilla

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7. Which insect holds the record for the fastest flying insect in the world?

Answer: Dragonfly

a) Dragonfly

b) Hawk moth

c) Housefly

d) Bee

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8. What is the name of the small, elusive mammal native to Australia that is capable of laying eggs?

Answer: Platypus

a) Platypus

b) Kangaroo

c) Tasmanian devil

d) Koala

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9. What is the only species of bear found in the Southern Hemisphere?

Answer: Spectacled bear

a) Polar bear

b) Brown bear

c) Spectacled bear

d) Panda bear

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10. Of the three smallest bones in the human body, which one is also referred to as the Hammer?

Answer: Malleus

a) Incus

b) Malleus

c) Stapes

d) Cochlea

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11. In what year was the structure of DNA discovered?

Answer: 1953

a) 1945

b) 1953

c) 1961

d) 1970

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12. Which type of living organism produces most of the Earth's oxygen?

Answer: Phytoplankton (Plankton is also acceptable)

a) Algae

b) Moss

c) Trees

d) Phytoplankton

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13. Entomology is the study of what?

Answer: Insects

a) Blood

b) Insects

c) Bones

d) Soil

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14. Despite their long necks, giraffes have the same number of neck vertebrae as humans. How many do they have?

Answer: Seven

a) Five

b) Six

c) Seven

d) Eight

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15. Who invented the first battery?

Answer: Alessandro Volta

a) Alessandro Volta

b) Michael Faraday

c) Nikola Tesla

d) Thomas Edison

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16. What is the term for the temperature and pressure at which water, ice, and steam coexist in equilibrium?

Answer: Triple Point

a) Sublimation point

b) Condensation point

c) Critical point

d) Triple point

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17. Which element, symbol 'Sb', is used in flame retardants and semiconductors and is derived from the Latin ‘stibium’?

Answer: Antimony

a) Arsenic

b) Antimony

c) Tellurium

d) Bismuth

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18. What comet, last spotted in 1986, is visible from Earth once every 75 or 76 years?

Answer: Halley's Comet

a) Halley's Comet

b) Comet Shoemaker-Levy 9

c) Hale-Bopp

d) Encke's Comet

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19. At what temperature does salt water typically boil?

Answer: 102°C (216°F) [Any answer within 5°C or 10°F is acceptable]

a) 98°C (208°F)

b) 102°C (216°F)

c) 105°C (221°F)

d) 110°C (230°F)

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20. From which animal droppings can Saltpeter, a key ingredient in gunpowder, be extracted?

Answer: Bat

a) Horse

b) Rat

c) Bat

d) Camel

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21. Which mineral is commonly known as "fool's gold"?

Answer: Pyrite

a) Quartz

b) Pyrite

c) Galena

d) Calcite

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22. What does TNT stand for?

Answer: Trinitrotoluene

a) Tetra-nitrate-triphosphate

b) Tetra-nitride-tetrachloride

c) Tetra-nitro-toluene

d) Tri-nitro-toluene

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23. What was the largest dinosaur ever discovered?

Answer: Argentinosaurus

a) Tyrannosaurus Rex

b) Argentinosaurus

c) Stegosaurus

d) Velociraptor

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24. What was the name of the dinosaur with a bony club at the end of its tail, used for defense?

Answer: Ankylosaurus

a) Ankylosaurus

b) Stegosaurus

c) Nodosaurus

d) Euoplocephalus

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25. Among dinosaurs, which one is popularly referred to as the "duck-billed dinosaur" due to its unique mouth structure?

Answer: Hadrosaurus

a) Hadrosaurus

b) Ankylosaurus

c) Parasaurolophus

d) Deinonychus

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26. Which dinosaur is believed to have had an elongated, narrow skull and rows of sharp teeth suited for catching fish?

Answer: Ichthyosaurus

a) Triceratops

b) Ichthyosaurus

c) Ankylosaurus

d) Velociraptor

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27. How many zeros are there in a googol?

Answer: 100

a) 20

b) 50

c) 100

d) 1,000

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28. In what century was the first mechanical clock invented?

Answer: 1300s

a) 1200s

b) 1300s

c) 1400s

d) 1500s

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29. Sonar is a technique used to detect objects underwater. What is it short for?

Answer: Sound Navigation and Ranging

a) Sound Navigation and Ranging

b) Silent Navigation and Radar

c) Sea Navigation and Radar

d) Sea Navigation and Ranging

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30. How long is the Danyang-Kunshan Grand Bridge in China, which holds the title of the longest bridge in the world?

Answer: 164.8 kilometers (102.4 miles) [Any answer within 25 km / 20 miles is acceptable]

a) 100 kilometers (62 miles)

b) 145.6 kilometers (90.5 miles)

c) 164.8 kilometers (102.4 miles)

d) 200 kilometers (124.3 miles)

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31. What does LHC, the world’s largest machine, stand for?

Answer: Large Hadron Collider

a) Linear High Collider

b) Large Hadron Collider

c) Large Hyper Collider

d) Linear Hadron Collider

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32. In what year was the first satellite put into orbit?

Answer: 1957

a) 1955

b) 1957

c) 1959

d) 1961‍

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33. What is the name of the scale used to measure the hardness of minerals?

Answer: Mohs scale

a) Richter scale

b) Mohs scale

c) Beaufort scale

d) Scoville scale

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34. Which mineral is the primary source of aluminum?

Answer: Bauxite

a) Hematite

b) Bauxite

c) Galena

d) Sphalerite

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35. Olivine is the most common mineral in which layer of the Earth?

Answer: Mantle

a) Crust

b) Mantle

c) Outer Core

d) Inner Core

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36. Which mineral is known for its fluorescence under ultraviolet light and is often used in making fluorescent lamps?

Answer: Calcite

a) Fluorite

b) Calcite

c) Barite

d) Sphalerite

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37. What is the official birthstone for the month of April?

Answer: Diamond

a) Emerald

b) Sapphire

c) Ruby

d) Diamond

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38. What is the common name for the volcanic glass formed from the rapid cooling of lava without crystal growth?

Answer: Obsidian

a) Pumice

b) Obsidian

c) Tuff

d) Basalt

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39. Who invented the first mass-produced, practical sewing machine in 1846, revolutionizing the textile industry?

‍Answer: Elias Howe

a) Isaac Singer

b) Elias Howe

c) Walter Hunt

d) Barthélemy Thimonnier

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40. Name the company that introduced the first commercially available lithium-ion battery in 1991.

‍Answer: Sony

a) Panasonic

b) Sony

c) Duracell

d) Energizer

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41. What inventor is credited with the discovery of penicillin in 1928?

‍Answer: Alexander Fleming

a) Alexander Fleming

b) Louis Pasteur

c) Marie Curie

d) Antoine Lavoisier

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42. What is the element with the highest melting point?

Answer: Tungsten

a) Titanium

b) Tungsten

c) Rhenium

d) Tantalum

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43. Which element was discovered by Marie Curie, and is named after her native country?

Answer: Polonium

a) Radium

b) Polonium

c) Francium

d) Curium

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44. Which is the only metal that is a liquid at room temperature?

Answer: Mercury

a) Lead

b) Gold

c) Silver

d) Mercury

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45. Neodymium is notably used in the production of what?

Answer: Magnets

a) Batteries

b) Magnets

c) Semiconductors

d) Catalysts

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46. Which was the first noble gas to be discovered?

Answer: Argon

a) Helium

b) Krypton

c) Xenon

d) Argon

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47. What is the name of the largest volcano in our solar system, located on Mars?

‍Answer: Olympus Mons

a) Mount Etna

b) Mauna Kea

c) Olympus Mons

d) Mount Vesuvius

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48. What is the term for the point in a planet's orbit around the Sun where it is closest to the star?

‍Answer: Perihelion

a) Aphelion

b) Perihelion

c) Equinox

d) Solstice

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49. In the movie "Deep Impact," what was the name of the meteor headed towards Earth?

‍Answer: Wolf-Biederman

a) Messiah

b) Wolf-Biederman

c) Jensen-Bisach

d) Smith-Johnson

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50. What is the approximate age of the universe, according to current scientific estimates?

‍Answer: 13.8 billion years

a) 4.6 billion years

b) 13.8 billion years

c) 20 billion years

d) 100 billion years

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