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 (C)</p> Signup and view all the answers

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

<p>Madagascar (A)</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 (B)</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 (D)</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 (D)</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 (C)</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 (C)</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 (D)</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 (B)</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 (C)</p> Signup and view all the answers

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

<p>BepiColombo (C)</p> Signup and view all the answers

What is the focus of most upcoming Venus missions?

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

What is anomalous about Venus compared to Earth?

<p>Moisture levels (B)</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 (A)</p> Signup and view all the answers

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

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