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Science Quiz Questions

  1. In an optical system, what name is given to the measurement of how strongly the system converges or diverges light?
  2. In science, what name is given for the number of protons found in the nucleus of an atom?
  3. Umami is one of the five basic what?

  4. What name is given to a large molecule composed of many repeated subunits?
  5. Which physical quantity is measured in kilogram metre per seconds?
  6. Which effect is the emission of electrons when light is shone onto a material?
  7. How many laws of thermodynamics are there?
  8. Name the well known test that discovers whether a solution is acidic or basic?
  9. Which term was coined in 1873 by scientist James Thomson to describe the point when the temperature and pressure of the gas, liquid, and solid phases of a substance coexist in thermodynamic equilibrium?
  10. Which English inventor's steelmaking process became the most important technique for making steel in the late nineteenth century?
  11. Which effect is the ability of certain materials to generate an electric charge in response to applied mechanical stress?
  12. Which silvery-white metallic element has the symbol Sc and atomic number 21?
  13. Name the device which uses steam to sterilize equipment invented by Charles Chamberland in 1879?
  14. In mechanics, what name is given to the support about which a lever pivots?
  15. Which Austrian monk discovered the basic principles of heredity through garden experiments and is known as the 'father of modern genetics'?
  16. Which German theoretical physicist's discovery of energy quanta won the 1918 Nobel Prize in Physics?
  17. The SI unit of capacitance is named in honour of which scientist?
  18. Which type of barometer, invented in 1844 by Lucien Vidi, is an instrument for measuring pressure without the use of liquid?
  19. At which temperature does water boil on the Fahrenheit scale?
  20. What name is given to a substance with no active therapeutic effect that is given in order to deceive the recipient into thinking that it is an active treatment?


  1. Focal length
  2. Atomic number
  3. Tastes
  4. A polymer
  5. Momentum
  6. Photoelectric effect
  7. Four
  8. Litmus test

  9. Triple point
  10. Sir Henry Bessemer
  11. Piezoelectric Effect
  12. Scandium
  13. Autoclave
  14. Fulcrum
  15. Gregor Mendel
  16. Max Planck
  17. Michael Faraday (the farad)
  18. Aneroid barometer
  19. 212 degrees
  20. Placebo
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