Inventions & Discoveries Quiz

Inventions & Discoveries · Medium

20 questions · Unlimited attempts · Free online practice

Science advances through curiosity, observation, and experimentation. Every major invention and discovery, from electricity and vaccines to space telescopes and DNA—has expanded ou...

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All 20 questions in this Inventions & Discoveries quiz
  1. Which British engineer independently invented the turbojet engine in the 1930s, alongside Hans von Ohain in Germany?

    • A. James Watt
    • B. Frank Whittle
    • C. George Stephenson
    • D. Isambard Kingdom Brunel
  2. Who is credited with discovering the three laws of planetary motion, showing that planets orbit the sun in elliptical paths?

    • A. Nicolaus Copernicus
    • B. Johannes Kepler
    • C. Galileo Galilei
    • D. Isaac Newton
  3. Who proposed the theory of continental drift in 1912, which eventually evolved into the modern theory of plate tectonics?

    • A. Charles Lyell
    • B. Alfred Wegener
    • C. Harry Hess
    • D. James Hutton
  4. In 1945, which scientist led the team that built the first general-purpose electronic computer, known as ENIAC?

    • A. Alan Turing
    • B. John Mauchly and J. Presper Eckert
    • C. John von Neumann
    • D. Charles Babbage
  5. Robert Watson-Watt is credited with the development of which technology that proved vital for the defense of Britain during World War II?

    • A. Sonar
    • B. Radar
    • C. Jet Engines
    • D. Atomic Energy
  6. Which astrophysicist discovered Pulsars in 1967 as a graduate student, though the Nobel Prize for the discovery was awarded to her supervisor?

    • A. Vera Rubin
    • B. Jocelyn Bell Burnell
    • C. Sally Ride
    • D. Annie Jump Cannon
  7. Which scientist is credited with the 1897 discovery of the electron, the first subatomic particle ever identified?

    • A. Ernest Rutherford
    • B. J.J. Thomson
    • C. James Chadwick
    • D. Niels Bohr
  8. In 1911, which scientist discovered the atomic nucleus through his famous gold foil experiment?

    • A. J.J. Thomson
    • B. Ernest Rutherford
    • C. Niels Bohr
    • D. Erwin Schrdinger
  9. In 1820, which Danish physicist discovered that an electric current creates a magnetic field, founding the field of electromagnetism?

    • A. Michael Faraday
    • B. Hans Christian rsted
    • C. Andr-Marie Ampre
    • D. James Clerk Maxwell
  10. Who discovered the Electron?

    • A. Rutherford
    • B. J.J. Thomson
    • C. Dalton
    • D. Chadwick
  11. Who developed the first mercury thermometer and the first standardized temperature scale in the early 18th century?

    • A. Anders Celsius
    • B. Daniel Gabriel Fahrenheit
    • C. Lord Kelvin
    • D. Galileo Galilei
  12. Which American scientist and suffragist is now recognized as the first person to discover the 'Greenhouse Effect' in 1856?

    • A. John Tyndall
    • B. Eunice Newton Foote
    • C. Marie Curie
    • D. Rachel Carson
  13. Who developed the first periodic table of elements in 1869, famously leaving gaps for elements that had not yet been discovered?

    • A. John Dalton
    • B. Dmitri Mendeleev
    • C. Antoine Lavoisier
    • D. Glenn Seaborg
  14. Which American engineer and physicist invented the first functional 'Laser' (Light Amplification by Stimulated Emission of Radiation) in 1960?

    • A. Charles Townes
    • B. Theodore Maiman
    • C. Arthur Schawlow
    • D. Gordon Gould
  15. Ernst Ruska won the Nobel Prize for inventing which instrument in 1931, which uses beams of electrons to see objects much smaller than the wavelength of light?

    • A. The Optical Microscope
    • B. The Electron Microscope
    • C. The Telescope
    • D. The Particle Accelerator
  16. Which American chemist won the Nobel Prize in 1960 for developing radiocarbon dating, a method to determine the age of organic materials?

    • A. Linus Pauling
    • B. Willard Libby
    • C. Glenn Seaborg
    • D. Harold Urey
  17. Which American chemist discovered 'Teflon' (PTFE) by accident in 1938 while trying to develop a new refrigerant?

    • A. Felix Hoffmann
    • B. Roy Plunkett
    • C. Wallace Carothers
    • D. Leo Baekeland
  18. Who developed the first commercially successful sewing machine in the 1840s, featuring a lockstitch design and a pointed needle?

    • A. Eli Whitney
    • B. Elias Howe
    • C. Isaac Singer
    • D. James Watt
  19. Which revolutionary gene-editing technology, whose pioneers won the Nobel Prize in Chemistry in 2020, allows scientists to precisely alter DNA sequences?

    • A. PCR
    • B. CRISPR-Cas9
    • C. DNA Sequencing
    • D. RNA Interference
  20. Which astronomer was the first to use a telescope to observe the moons of Jupiter and the phases of Venus, supporting the heliocentric model?

    • A. Nicolaus Copernicus
    • B. Johannes Kepler
    • C. Galileo Galilei
    • D. Tycho Brahe