The Sun and Solar System Quiz
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Questions and Answers

What makes up the remaining 99.8% of all the mass in the solar system?

  • The plasma in the core of the Sun
  • The Sun (correct)
  • The elements hydrogen and helium
  • The Earth, the Moon, and all the other planets

    • What is the main state of matter in which most atoms in the Sun exist?

  • Liquid
  • Solid
  • Plasma (correct)
  • Gas

    • What is the temperature of the core of the Sun?

  • 2700 degrees Celsius
  • 27 degrees Celsius
  • 27 million degrees Celsius (correct)
  • 270 million degrees Celsius

    • What is the composition of the Sun, consisting almost entirely of?

    <p>Hydrogen and helium</p> Signup and view all the answers

    Which layer of the Sun is identified as the innermost or central layer?

    <p>The core</p> Signup and view all the answers

    What is the main constituent of the Sun's mass in the solar system?

    <p>Hydrogen and helium</p> Signup and view all the answers

    Which state of matter do most atoms in the Sun exist as?

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

    What is the temperature at the core of the Sun?

    <p>27 million degrees Celsius</p> Signup and view all the answers

    What releases vast amounts of energy in the core of the Sun?

    <p>Combining hydrogen atoms to form helium</p> Signup and view all the answers

    Which layer of the Sun has a definite internal structure, but no defined outer boundary?

    <p>The core</p> Signup and view all the answers

    What is the primary cause of earthquakes?

    <p>Rupture of geological faults</p> Signup and view all the answers

    What is the point at ground level directly above the hypocenter of an earthquake called?

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

    What is the average rate of seismic energy release per unit volume in a particular location known as?

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

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