Earth's Atmosphere and Geosphere Quiz
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Questions and Answers

What is the name of the probe that measured differences across the sky in the cosmic microwave background?

  • Cosmic Background Explorer (COBE)
  • Wilkinson microwave anisotropy probe (WMAP) (correct)
  • Planck satellite
  • Explorer 80

What creates light elements such as deuterium, lithium, and helium according to the Big Bang theory?

  • Heated protons and electrons (correct)
  • Boiling 'soup' with electrons, quarks, and other elementary particles
  • Galaxy formation era
  • Quarks forming protons and neutrons

What type of galaxy is primarily filled with cold molecular hydrogen gas according to the text?

  • Triangulum
  • Milky Way (correct)
  • Sombrero
  • Andromeda

What pulls a gas cloud into a disk according to the Nebular Hypothesis?

<p>Conservation of angular momentum (A)</p> Signup and view all the answers

Which layer of Earth's atmosphere merges with solar wind?

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

What effect does Earth's magnetic field have on storms of charged particles from the sun?

<p>Blocks them (B)</p> Signup and view all the answers

Which type of planet is primarily gaseous?

<p>Gas giant (B)</p> Signup and view all the answers

Which hypothesis involves a rogue star passing close to the sun?

<p>Encounter Hypothesis (A)</p> Signup and view all the answers

What do dust particles provide sites for in the Proto-planet Hypothesis?

<p>Gas condensation (B)</p> Signup and view all the answers

What is the highest layer of Earth's atmosphere according to the text?

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

What is the highest cloud in Earth's atmosphere?

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

Which layer of the Earth's atmosphere gets colder with altitude?

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

Which layer of the Earth's atmosphere is tasked with holding all the air plants need for photosynthesis and animals need to breathe?

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

Which type of crust underlies ocean basins and is composed of dense iron, magnesium, silicate, and igneous rocks?

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

What is the thickest layer of the Earth?

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

What is the basic unit of life?

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

9

<p>Solar System (B)</p> Signup and view all the answers

What are molecules primarily constituted of?

<p>Space, Time, Matter, Energy (B)</p> Signup and view all the answers

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