Which planet is the largest?
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JUPITER — Jupiter is the largest planet.
Advanced science word puzzles
Last updated: 30/10/2026
The hardest collection: scientists, discoveries and space facts. Try these after the easier levels.
60 questions with answers and short explanations.
Questions
Which planet has prominent rings?
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SATURN — Saturn is known for its rings.
Which planet is the hottest?
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VENUS — Venus has the hottest surface.
What is Earth’s natural satellite?
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MOON — The Moon orbits Earth.
Which star is closest to Earth?
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SUN — The Sun is the closest star.
Which element is the lightest?
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HYDROGEN — Hydrogen is the lightest element.
Which gas is most abundant in air?
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NITROGEN — Nitrogen makes up about 78% of air.
Who is credited with the practical light bulb?
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EDISON — Thomas Edison developed a practical light bulb.
Who proposed the theory of relativity?
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EINSTEIN — Albert Einstein proposed relativity.
Who formulated the law of universal gravitation?
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NEWTON — Isaac Newton formulated it.
Who discovered penicillin?
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FLEMING — Alexander Fleming discovered penicillin.
Who discovered the neutron?
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CHADWICK — James Chadwick discovered the neutron.
Who discovered the electron?
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THOMSON — J. J. Thomson discovered the electron.
Who discovered the atomic nucleus?
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RUTHERFORD — Ernest Rutherford discovered the atomic nucleus.
Who discovered radioactivity?
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BECQUEREL — Henri Becquerel discovered radioactivity.
Who was the first person to win Nobel Prizes in two sciences?
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CURIE — Marie Curie won Nobel Prizes in physics and chemistry.
Which physicist is the boson discovered in 2012 named after?
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HIGGS — The Higgs boson is named after Peter Higgs.
Which particles make up protons and neutrons?
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QUARK — Protons and neutrons are made of quarks.
Which belt lies between Mars and Jupiter?
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ASTEROID — The asteroid belt lies between Mars and Jupiter.
Which large galaxy is closest to the Milky Way?
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ANDROMEDA — Andromeda is the closest large galaxy.
Who improved the telescope and observed Jupiter's moons?
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GALILEO — Galileo Galilei observed Jupiter's moons.
Who proposed evolution by natural selection?
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DARWIN — Charles Darwin proposed natural selection.
Who developed a rabies vaccine?
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PASTEUR — Louis Pasteur developed a rabies vaccine.
Who developed alternating-current power systems?
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TESLA — Nikola Tesla developed AC power systems.
Who built the first electric battery?
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VOLTA — Alessandro Volta built the first electric battery.
Who is called the father of geometry?
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EUCLID — Euclid is called the father of geometry.
Who developed movable-type printing in Europe?
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GUTENBERG — Johannes Gutenberg developed movable-type printing.
Who reached the Americas in 1492?
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COLUMBUS — Christopher Columbus reached the Americas in 1492.
Who led the first expedition to circumnavigate the globe?
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MAGELLAN — Ferdinand Magellan led the expedition.
Who composed 'The Magic Flute'?
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MOZART — Wolfgang Amadeus Mozart composed 'The Magic Flute'.
Which mathematician is the constant e named after?
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EULER — The constant e is named after Leonhard Euler.
Who is called the prince of mathematics?
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GAUSS — Carl Friedrich Gauss is called the prince of mathematics.
Who proposed a model of computation and helped break Enigma?
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TURING — Alan Turing proposed the Turing machine.
Who is regarded as the first computer programmer?
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LOVELACE — Ada Lovelace is regarded as the first programmer.
Who founded information theory?
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SHANNON — Claude Shannon founded information theory.
Which mathematician linked symmetry and conservation laws?
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NOETHER — Emmy Noether proved the symmetry-conservation theorem.
Who proposed the exclusion principle?
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PAULI — Wolfgang Pauli proposed the exclusion principle.
Who proposed a quantum model of the atom?
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BOHR — Niels Bohr proposed a quantum atomic model.
Who proposed energy quantization?
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PLANCK — Max Planck proposed energy quantization.
Who proposed black-hole radiation?
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HAWKING — Stephen Hawking proposed Hawking radiation.
Which sequence starts 0, 1, 1, 2, 3, 5?
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FIBONACCI — That is the Fibonacci sequence.
Who discovered the three laws of planetary motion?
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KEPLER — Johannes Kepler discovered the laws.
Who discovered Uranus?
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HERSCHEL — William Herschel discovered Uranus.
Who is called the father of modern chemistry?
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LAVOISIER — Antoine Lavoisier is called its father.
Who created the periodic table?
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MENDELEEV — Dmitri Mendeleev created the periodic table.
Who proposed the famous Last Theorem in mathematics?
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FERMAT — Pierre de Fermat proposed the theorem.
Who founded the geometry that extends Euclidean geometry?
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RIEMANN — Bernhard Riemann founded Riemannian geometry.
Who developed set theory for infinite sets?
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CANTOR — Georg Cantor developed set theory.
Who posed 23 open problems for 20th-century mathematics?
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HILBERT — David Hilbert posed 23 problems.
Who proved the incompleteness theorems?
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GODEL — Kurt Gödel proved the incompleteness theorems.
Who founded the Academy in Athens?
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PLATO — Plato founded the Academy in Athens.
Who is regarded as one of the first Western philosophers?
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THALES — Thales is regarded as an early Western philosopher.
Which Greek philosopher was executed by drinking hemlock?
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SOCRATES — Socrates was executed with hemlock.
Who was Plato's student and Alexander's teacher?
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ARISTOTLE — Aristotle taught Alexander the Great.
Who is called the father of history?
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HERODOTUS — Herodotus is called the father of history.
Who developed a transform widely used in engineering and probability?
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LAPLACE — Pierre-Simon Laplace developed the transform.
Who developed a way to represent periodic functions as sums of sines and cosines?
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FOURIER — Joseph Fourier developed Fourier series.
Who developed calculus independently of Newton?
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LEIBNIZ — Gottfried Wilhelm Leibniz developed calculus independently.
Who developed Cartesian coordinates?
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DESCARTES — René Descartes developed Cartesian coordinates.
Which self-taught Indian mathematician is famous?
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RAMANUJAN — Srinivasa Ramanujan was a famous self-taught mathematician.
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