Physical Properties of Matter
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Questions and Answers

What are the small, dark patches that develop on the Sun as it nears the peak of a solar cycle?

  • Sunspots (correct)
  • Dust particles
  • Solar winds
  • Sunflares
  • What is the name of the process that produces the Sun's magnetic field?

  • Magnetic diffusion
  • Solar dynamo (correct)
  • Solar wind
  • Solar flare
  • Who is the astronomer for whom a law relating to the location of sunspots on the Sun is named?

  • Gustav Spörer (correct)
  • Copernicus
  • Isaac Newton
  • Galileo Galilei
  • What is the name of the period between 1645 and 1715?

    <p>The Maunder Minimum</p> Signup and view all the answers

    Where did the baobab lineage originate, according to genomic analyses?

    <p>Madagascar</p> Signup and view all the answers

    How long ago did the baobab lineage reach Africa and Australia, according to researchers?

    <p>12 million years ago</p> Signup and view all the answers

    What is the effect of a metal doped with a magnetic impurity on its resistance as it approaches absolute zero?

    <p>It increases in fixed steps</p> Signup and view all the answers

    Who is credited with discovering the quantum Hall effect in 1980?

    <p>Gerhard Dorda, Michael Pepper, and others</p> Signup and view all the answers

    What is the name of the physicist who tried to explain the path of an electron moving through solid metal in 1900?

    <p>German physicist</p> Signup and view all the answers

    What is the name of the state of matter where quantum phenomena become visible?

    <p>Bose-Einstein condensate</p> Signup and view all the answers

    Who were the three physicists who led two teams in 1995 to first produce a Bose-Einstein condensate in the lab?

    <p>Eric Cornell, Wolfgang Ketterle, and Carl Wieman</p> Signup and view all the answers

    What is the name of the scientist who, in 1823, liquefied all the gases known at the time excluding hydrogen, oxygen, and nitrogen?

    <p>Humphrey Davy</p> Signup and view all the answers

    What was the quantity of molecules observed that led Dr. Cangi to imply the presence of HCO+?

    <p>A large amount</p> Signup and view all the answers

    Which spacecraft collected data that supported the HCO+ DR model?

    <p>BepiColombo</p> Signup and view all the answers

    What is the focus of most upcoming Venus missions?

    <p>Lower atmosphere</p> Signup and view all the answers

    What is anomalous about Venus compared to Earth?

    <p>Moisture levels</p> Signup and view all the answers

    What is the name of the NASA mission dedicated to probing the upper atmosphere of Mars?

    <p>MAVEN</p> Signup and view all the answers

    Who used quantum mechanics to solve many open problems in the 1930s?

    <p>Arnold Sommerfeld</p> Signup and view all the answers

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