Physical Science Module 16

23 Questions | Total Attempts: 1103

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Physical Science Module 16

An Introduction to Astrophysics


Questions and Answers
  • 1. 
    The process by which two or more small nuclei fuse to make a bigger nucleus is called:
    • A. 

      Nuclear Fission

    • B. 

      Nuclear Fusion

    • C. 

      Nuclear Furniture

    • D. 

      Nuclear Funsize

  • 2. 
    The process by which a large nucleus is split into smaller nuclei is called:
    • A. 

      Nuclear Fission

    • B. 

      Nuclear Fusion

    • C. 

      Nuclear Division

    • D. 

      Nuclear Pop Goes the Weasel

  • 3. 
    The amount of isotope necessary to sustain a chain reaction is called:
    • A. 

      Absolute Mass

    • B. 

      Critical Mass

    • C. 

      Chunky Mass

    • D. 

      Core Mass

  • 4. 
    The brightness of a star, corrected for distance, on a scale of -8 to +19 is called _________________________.  The smaller the number, the brighter the star.
    • A. 

      Abundant Magnitude

    • B. 

      Apparent Magnitude

    • C. 

      Absolute Magnitude

    • D. 

      Anti-Magnitude

  • 5. 
    The brightness of a star as seen in the night sky is called __________________________.  The smaller the number, the brighter the star.
    • A. 

      Abundant Magnitude

    • B. 

      Apparent Magnitude

    • C. 

      Absolute Magnitude

    • D. 

      Anti-Magnitude

  • 6. 
    The distance light could travel along a straight line in one year is called:
    • A. 

      Leap Year

    • B. 

      Buzz Light Year

    • C. 

      Long Year

    • D. 

      Light Year

  • 7. 
    A large ensemble of stars, all interacting through the gravitational force and orbiting around a common center is called:
    • A. 

      Galaxy

    • B. 

      Universe

    • C. 

      Cosmos

    • D. 

      Milky Way

  • 8. 
    What nuclear process occurs in the sun's core?
    • A. 

      Nuclear Fusion

    • B. 

      Nuclear Fission

    • C. 

      No Fly Zone

  • 9. 
    A 4He nucleus and a 7Li nucleus collide and form a 10B nucleus and a neutron.  Is this nuclear fusion or nuclear fission?
    • A. 

      Nuclear Fusion

    • B. 

      Nuclear Fission

  • 10. 
    A scientist studies a process in which a neutron strikes a 216Pu nucleus to make a 104Cd nucleus, a 110Pd nucleus, and three neutrons.  If the scientist measures the mass of the 216Pu and the original neutron and then subtracts the mass of the 104Cd nucleus, the mass of the 110Pd nucleus, and the mass of the three neutrons, will the scientist get a positive number, a negative number, or zero?
    • A. 

      Positive Number

    • B. 

      Negative Number

    • C. 

      Zero

  • 11. 
    Is it possible for a nuclear power plant to experience a nuclear explosion?
    • A. 

      Yes, it is possible.

    • B. 

      No, it is not possible.

    • C. 

      Maybe, it could be possible.

  • 12. 
    Using the H-R diagram below, classify the following star:  Magnitude 5, Spectral Letter G
    • A. 

      Supergiant

    • B. 

      White Dwarf

    • C. 

      Red Giant

    • D. 

      Main Sequence

  • 13. 
    Using the H-R diagram below, classify the following star:   Magnitude -2, Spectral Letter K
    • A. 

      Supergiant

    • B. 

      White Dwarf

    • C. 

      Red Giant

    • D. 

      Main Sequence

  • 14. 
    Using the H-R diagram below, classify the following star:   Magnitude 11, Spectral Letter B
    • A. 

      Supergiant

    • B. 

      White Dwarf

    • C. 

      Red Giant

    • D. 

      Main Sequence

  • 15. 
    Using the H-R diagram below, classify the following star:   Magnitude -6, Spectral Letter A
    • A. 

      Supergiant

    • B. 

      White Dwarf

    • C. 

      Red Giant

    • D. 

      Main Sequence

  • 16. 
    Which is the brightest of the stars in the last 4 star classifications?
    • A. 

      Magnitude 5, Spectral Letter G - Main Sequence

    • B. 

      Magnitude -2, Spectral Letter K - Red Giant

    • C. 

      Magnitude 11, Spectral Letter B - White Dwarf

    • D. 

      Magnitude -6, Spectral Letter A - Supergiant

  • 17. 
    Which is the hottest of the stars in the last 4 star classifications?
    • A. 

      Magnitude 5, Spectral Letter G - Main Sequence

    • B. 

      Magnitude -2, Spectral Letter K - Red Giant

    • C. 

      Magnitude 11, Spectral Letter B - White Dwarf

    • D. 

      Magnitude -6, Spectral Letter A - Supergiant

  • 18. 
    What are the two main types of variable stars?
    • A. 

      Novas and Binary Stars

    • B. 

      Binary Stars and Eclipsing Binary Stars

    • C. 

      Eclipsing Binary Stars and Pulsating Variables

    • D. 

      Pulsating Variables and Novas

  • 19. 
    Cephid variables are variable stars whose magnitude and period have a direct relationship.
    • A. 

      True

    • B. 

      False

  • 20. 
    Cephid variables are important in astronomy because that direct relationship can be used to measure short distances in the universe.
    • A. 

      True

    • B. 

      False

  • 21. 
    What is the name of the galaxy to which earth's solar system belongs?
    • A. 

      Andromeda Galaxy

    • B. 

      Cartwheel Galaxy

    • C. 

      Cigar Galaxy

    • D. 

      Milky Way Galaxy

  • 22. 
    What type of galaxy is that galaxy to which earth's solar system belongs?
    • A. 

      Spiral Galaxy

    • B. 

      Lenticular Galaxy

    • C. 

      Elliptical Galaxy

    • D. 

      Irregular Galaxy

  • 23. 
    The phenomenon in which light that comes to the earth from other galaxies ends up having longer wavelengths than it should is called:
    • A. 

      Blue Shift

    • B. 

      Red Shift

    • C. 

      Yellow Shift

    • D. 

      Rainbow Shift

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