Science Trivia

100+ Best Science Trivia Questions & Answers

Mike Oberman

Updated: February 13th, 2025

Discover fascinating facts and challenge your brain with 194+ science trivia questions! From Newton's laws to the mysteries of the solar system, this collection will take you on a scientific journey like no other.

Scientific Laws & Principles Trivia

Question: Which gravity guru turned an apple incident into the epic law "for every action there is an equal and opposite reaction"?

Answer: Newton

Question: Which ancient number wizard boldly claimed our Earth isn’t a flat pancake, but a perfectly round sphere worthy of a sci‑fi blockbuster?

Answer: Pythagoras

Question: What do you call the unsung pivot that lets a lever swing into action like a secret superhero move?

Answer: Fulcrum

Question: What’s the name for that sizzling transformation when something solid decides to let loose and become liquid—kind of like a dramatic makeover scene?

Answer: Melting

Question: Which science term is reserved for those jaw-dropping, plot-twist observations that just don’t play by the rules?

Answer: Anomaly

Question: What’s the ultimate temperature unit that kicks off at absolute zero and keeps things cool, even cooler than your favorite Netflix binge?

Answer: Kelvin

Question: What do we call the stack of bony building blocks that keeps you standing tall—like nature’s very own game of Jenga?

Answer: Vertebrae

Question: Which term describes those critters that skipped the spine memo and still rocked the animal kingdom?

Answer: Invertebrate

Question: What does the Beaufort Scale measure, rating winds from a gentle whisper to a full-blown superhero gust?

Answer: Wind Speed

Question: How many Laws of Thermodynamics rule the wild realm of energy, like the three wise sages of heat?

Answer: 3

Elements & Substances Trivia

Question: Which metallic element is so light, it's basically the featherweight champion of the periodic table?

Answer: Lithium

Question: Which element is represented by the symbol "Na" (no, not a dismissive "nah") and hails from the Latin name Natrium?

Answer: Sodium

Question: Aqua Regia, the "royal water," can dissolve even the mightiest of metals. Which shiny treasure succumbs to its potent magic?

Answer: Gold

Question: Which element, also known by the snappy nickname "quicksilver," flows like liquid silver on a secret mission?

Answer: Mercury

Question: Which chemical is also known as quicksilver, slipping through reactions with the grace of a spy in a tuxedo?

Answer: Mercury

Question: Which element, once called hydragyrum for its liquid charm, now proudly sports the symbol Hg?

Answer: Mercury

Question: What is the addictive chemical in tobacco that hooks you faster than the latest binge-worthy series?

Answer: Nicotine

Question: What tough, protein-packed substance forms your nails, keeping them as resilient as your favorite action hero?

Answer: Keratin

Astronomy Trivia

Question: Which celestial body is showing off its "almost full" glow in its Waxing Gibbous phase, like a star on a cosmic runway?

Answer: Moon

Question: How many basic states of matter are rocking the universe’s stage—could it be a trio or is there a secret fourth act?

Answer: 4

Question: Which century welcomed the genius of Isaac Newton, setting the stage for apples to make history?

Answer: 17th

Question: Which layer of Earth hangs out right under the crust and above the core, acting like the planet's unsung middle manager?

Answer: Mantle

Question: Time for a lunar flashback: In which year did humanity last throw down some serious moonwalking moves?

Answer: 1972

Question: What’s the name of that yellow-green digestive fluid whipped up by your liver, making digestion as dramatic as a reality TV reveal?

Answer: Bile

Question: Which majestic animal holds the record for the longest pregnancy, proving that nature sometimes takes its sweet time?

Answer: Elephant

Question: What word describes the slow, steady makeover of landscapes by water and wind, as if nature were an artist sculpting its masterpiece?

Answer: Erosion

Question: What do you call rocks that undergo a high-pressure, high-heat transformation, emerging like a phoenix with a brand-new look?

Answer: Metamorphic

Question: Where in your body do tiny air sacs called alveoli hustle to keep your oxygen game on point, like secret powerhouses of breath?

Answer: Lungs

Physics Trivia

Question: Which physics term tells you how quickly your speedometer jumps from 0 to 60, like a rocket launch in your favorite action movie?

Answer: Acceleration

Question: What does haematology focus on—it's not about heartbeats, but the crimson river that keeps us alive?

Answer: Blood

Question: Which math term represents something endless, like the infinite reruns of your all-time favorite series?

Answer: Infinity

Question: What do you call the product of a combustion reaction, giving off an oxidizing twist like a plot twist in a sci‑fi flick?

Answer: Oxide

Question: How is hydropower generated—what’s the splashy secret behind turning waterfalls into energy, as refreshing as a summer blockbuster?

Answer: Water

Question: What phenomenon does a Geiger counter detect, making it the ultimate gadget in any nuclear thriller?

Answer: Radioactivity

Question: Which term measures how heavy something is relative to its size, as if nature itself was weighing in on the ultimate celebrity showdown?

Answer: Density

Question: What type of energy does a body in motion possess, turning it into the kinetic rockstar of the energy world?

Answer: Kinetic

Question: Capillary action refers to the sneaky movement of which substance, creeping through tiny spaces like a liquid ninja?

Answer: Liquids

Question: In the chemical acronym PVC, what does the P stand for, kicking off a polymer party with a hint of pizzazz?

Answer: Poly

Space Trivia

Question: How many officially recognized constellations light up our cosmic canvas, as if auditioning for a spot in the stellar hall of fame?

Answer: 88

Question: Lobate Scarps might sound like a trendy hairdo, but on which sizzling planet do these dramatic landforms make a rocky statement?

Answer: Mercury

Question: How many Earth years does Jupiter need to complete its majestic, leisurely spin around the Sun—like a cosmic road trip with plenty of pit stops?

Answer: 11

Question: Which celestial diva is showing off her extra-full 'Waxing Gibbous' phase, getting ready for the ultimate lunar glow-up?

Answer: Moon

Question: What’s the fancy term for the heat-transfer dance that happens when a fluid grooves along like it's at a cosmic disco?

Answer: Convection

Question: Which ringed wonder did the Cassini-Huygens probe visit, strutting its glamorous rings like a celebrity on a red carpet in space?

Answer: Saturn

Question: Back in 1693, Giovanni Zupi spotted a planet busy waltzing around the Sun. Which one was it, showing off its orbital moves?

Answer: Mercury

Question: Which planet flaunts a moon named Atlas, carrying a mythological namesake like a true space titan?

Answer: Saturn

Question: Callisto and Io are the dynamic duo of moons—around which giant planet do they perform their cosmic dance?

Answer: Jupiter

Question: Ganymede, the heavyweight champ of moons, cozies up to which colossal planet in our solar system?

Answer: Jupiter

Question: Which planet gets the bragging rights for hosting the largest moon in the solar system, making it the ultimate parent in space?

Answer: Jupiter

Question: Triton is hanging out in orbit around which distant, icy blue giant that feels straight out of a sci-fi flick?

Answer: Neptune

Question: Which planet is so ringed it makes wedding bands look basic, earning it the title of the ultimate ringmaster of the solar system?

Answer: Saturn

Question: Which planet is affectionately dubbed "Cronian" by those in the know about cosmic nicknames?

Answer: Saturn

Question: Which red-hot neighbor takes roughly 668 Earth days to orbit the Sun—talk about a long, scenic commute through space?

Answer: Mars

Question: In the planetary pageant, which planet struts in as the second largest in our Solar System?

Answer: Saturn

Question: Which planet shares its name with a popular chocolate bar, proving that space can be as sweet as your favorite treat?

Answer: Mars

Question: Which blue planet made a splash by being named after the Roman God of the Sea, literally making waves in the cosmos?

Answer: Neptune

Question: Which dazzling planet zips around the Sun in just about 225 days, as if it's auditioning for a role in a space-themed Fast & Furious?

Answer: Venus

Question: Which planet is famously known as the Red Planet, glowing with a fiery hue that’s impossible to ignore?

Answer: Mars

Question: Which planet gets extra credit for being orbited by Proteus—a moon whose name hints at some serious shape-shifting vibes?

Answer: Neptune

Question: What’s the name of Mars’ colossal mountain that towers like a celestial Olympus, making even Everest look like a speed bump?

Answer: Olympus Mons

Question: What do we call the stellar squad of Jupiter’s four largest moons, a group so legendary they earned Galileo’s stamp of approval?

Answer: Galilean Moons

Question: Which daring space probe made history by landing on Mars in June 1999, blazing a trail for interplanetary adventures?

Answer: Pathfinder

Question: Which planet became the playground for the intrepid Rover Spirit, proving that even in space, adventure awaits?

Answer: Mars

Question: What was the name of the USSR’s very first artificial satellite, the little beacon that kick-started the space race with a historic ping?

Answer: Sputnik 1

Question: Who was the brave soul that took the first-ever spacewalk, floating like a boss in the cosmic void?

Answer: Alexei Leonov

Earth Sciences Trivia

Question: Which element is the rock-star behind sedimentary wonders like limestone and chalk, playing nature’s secret ingredient role?

Answer: Calcium

Question: What do we call Earth’s outer layer—the crunchy, crusty part that’s as irresistible as a slice of pizza?

Answer: Crust

Question: In the electrifying process of electrolysis, which substance splits to reveal hydrogen and oxygen like a molecular magic trick?

Answer: Water

Question: Where does the Cerberus Fossae, named after a mythic three-headed hound, hang out—on the red planet that’s been a blockbuster hit since The Martian?

Answer: Mars

Question: Noachis Terra might sound like an epic saga chapter—on which planet’s history does this dramatic era unfold?

Answer: Mars

Question: On which planet is the mysterious Borealis Basin found, as if it were a hidden treasure chest waiting to be discovered in the cosmic playground?

Answer: Mars

Scientific Principles & Terms Trivia

Question: Which theory shaves through cosmic clutter by insisting that the simplest explanation is usually the best one—cutting through complexity like a hot knife through butter?

Answer: Occam's Razor

Question: Thermal decomposition is like a high-temperature demolition derby—what's the secret ingredient that breaks things down with a fiery flourish?

Answer: Heat

Question: Which word reveals an element's social side, rating its reactivity like a VIP pass at a chemical party?

Answer: Valency

Question: What do you get when you multiply mass by acceleration, unleashing a force that even Newton would tip his hat to?

Answer: Force

Question: What was the surname of Michael, the electrifying British scientist whose work in electrolysis continues to spark our curiosity?

Answer: Faraday

Question: In 1800, Johann Schroter reported spotting epic 20km mountains on which planet, proving even the tiniest rock in space can pack a punch?

Answer: Mercury

Question: Which planet did Galileo first catch flaunting its dazzling rings in 1610, instantly becoming the runway model of our solar system?

Answer: Saturn

Question: In which century did Kepler lay down his three laws of planetary motion, setting the cosmic dance floor on fire?

Answer: 17th

General Science & Biology Trivia

Question: What is Polysomnology all about, the study of those dreamy adventures we all enjoy nightly?

Answer: Sleep

Question: How many pairs of chromosomes does the average human rock, making us double acts of DNA?

Answer: 23

Question: Which high-flying creature inspires the constellation Aquila, soaring across our starry canvas?

Answer: Eagle

Question: What’s the sweet name for the sugar our bodies stash for energy—our very own internal power bar?

Answer: Glucose

Question: Which vocal powerhouse, nestled at the top of your neck, helps you belt out everything from lullabies to battle cries?

Answer: Larynx

Question: In the world of triangles, what do you call the side that lounges directly opposite the right angle, as per Pythagoras’ classic rule?

Answer: Hypotenuse

Question: What do we call the outermost layer of skin, the red carpet that protects and flaunts your body?

Answer: Epidermis

Question: Enzymes in your body work like microscopic chefs—what process do they master to break down your meals?

Answer: Digestion