• 1. 
    Of what practical use in the 19th century was a Helmholtz resonator?

  • measuring fluid flow
  • testing a vacuum
  • analyzing sound waves
  • generating electricity
  • 2. 
    Which scientist is credited with the concept that electricity can flow?

  • Benjamin Franklin
  • Michael Faraday
  • Stephen Gray
  • Thomas Alva Edison
  • 3. 
    Who is known as the founder of hydrostatics?

  • Isaac Newton
  • Galileo
  • Archimedes
  • Aristotle
  • 4. 
    Who originated the concept of electromagnetic radiation?

  • James Clerk Maxwell
  • Heinrich Hertz
  • Oliver Joseph Lodge
  • Michael Faraday
  • 5. 
    What does uranium-238 eventually produce after being bombarded with neutrons in a nuclear reactor?

  • nuclear fission and heat
  • weapons-grade tritium
  • electrons and positrons
  • plutonium-239
  • 6. 
    What theory did German physicist Max Planck formulate in 1900 when he concluded that atoms emit radiation not in continuous waves but in discrete amounts?

  • big-bang theory
  • quantum theory
  • relativity theory
  • entropy theory
  • 7. 
    The Bohr atomic model describes the atom as taking which configuration?

  • positively charged matter embedded with negatively charged electrons
  • a dense, positively charged nucleus orbited by light, negatively charged electrons
  • negative electrons occupying specific shells extending outward from a dense, positive nucleus
  • a dense, positive nucleus surrounded by electrons revolving in a set number of specific orbits
  • 8. 
    Early windmills transformed the kinetic energy of wind into which form of energy?

  • thermal
  • solar
  • electrical
  • mechanical
  • 9. 
    Feynman diagrams are easily visualized graphs used to describe and predict what kinds of interactions?

  • encounters between subatomic particles
  • colliding galaxies
  • wave interference
  • particle-beam collisions
  • 10. 
    According to the ancient Greek philosopher Thales of Miletus, the entire universe is a living organism, and the essence of all matter is what substance?

  • air
  • earth
  • water
  • fire
  • 11. 
    What is the term for the rate at which the velocity of an object changes?

  • acceleration
  • displacement
  • space-time
  • relative motion
  • 12. 
    What subatomic particle with no charge and little or no mass was predicted to exist in the 1930s but was not actually observed until the 1950s?

  • the neutrino
  • the W particle
  • the quark
  • the positron
  • 13. 
    What relation between pressure and volume of a gas is expressed in Boyle’s law?

  • the greater the pressure, the smaller the volume of gas
  • pressure and volume of a gas are unrelated
  • the greater the volume of a gas, the greater its pressure
  • pressure and volume of a gas vary with temperature
  • 14. 
    What did German physicist Otto von Guericke invent in 1663 when he mounted a ball of sulfur on an iron shaft, then spun the ball with one hand while rubbing it with the other?

  • the first electric generator
  • the first gyroscope
  • the first magnet
  • the first human-made chemical compound
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