Unit 1 Week 3 Stars

51 Questions

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Star Quizzes & Trivia

This quiz will test your knowledge for week three of our space section. This week we are focusing on stars


Questions and Answers
  • 1. 
    How are stars like people?
    • A. 

      The both need oxygen to survive.

    • B. 

      They both have life cycles.

    • C. 

      They both have red giants.

    • D. 

      The both convert hydrogen to helium.

  • 2. 
    Interstellar medium is the total _________ of the gas and dust between stars.
  • 3. 
        The last question mentions interstellar medium.  What word below has the closest meaning to the prefix             inter
    • A. 

      Enter

    • B. 

      Air cooled

    • C. 

      Between

    • D. 

      Fallen

  • 4. 
    A __________________ is a dense cloud of _____________ and dust where a star begins. Two words.  
  • 5. 
    What do you think gravitational contraction means?
    • A. 

      The Earth is able to keep in orbit

    • B. 

      The temperature increases

    • C. 

      The force that pulls things together

  • 6. 
    Why do you think the temperature increases during gravitational contraction?  
    • A. 

      Pressure increase causes temperature increase

    • B. 

      Gravitational contraction changes cellular structure

    • C. 

      Nuclear fusion

  • 7. 
    How hot must a star get to start nuclear fusion? __________ degrees Celsius
  • 8. 
    When nuclear fusion occurs, what type of reaction takes place?
    • A. 

      Contraction-contraction

    • B. 

      Proton-proton

    • C. 

      Neutron-neutron

  • 9. 
    A nebula contracts due to gravity and transforms into a ________________________ .
  • 10. 
    When a protostar gets hot enough fusion occurs and a ______________  _______________ star is formed. Two words.  
  • 11. 
    During fusion _____________________ is released. 
  • 12. 
    When fusion occurs ____________________ decreases. 
    • A. 

      Temperature

    • B. 

      Gravity

    • C. 

      Expansion

    • D. 

      Force

  • 13. 
    When the fusion force is greater than the gradational force a __________ _______________ is created. Two words.
  • 14. 
    When fuel runs out, ________________ slows down.
  • 15. 
              After a red giant fusion slows down, and gravity is stronger tha the fusion force, a _____________                                      ________________ is made.           Two words.   
  • 16. 
    A _______________________ is a rotating white dwarf that emits radio waves. 
  • 17. 
    A very massive star ends in a _________________________________.
    • A. 

      Galaxy

    • B. 

      Red giant

    • C. 

      Supernova

    • D. 

      Star

  • 18. 
    When a supernovae explodes, the star can ____________________ all of the other strs in the galaxy.
  • 19. 
    When a star explodes a smaller star becomes a __________________  _____________________ .
    • A. 

      Black dwarf

    • B. 

      Neutron star

    • C. 

      Black hole

  • 20. 
    A neutron star is a larger exploded star made mostly of __________________________ .
  • 21. 
    A neutron star is so dense that a teaspoon full would weigh more than all the _____________________ in the U.S. combined. 
    • A. 

      Mosquitoes

    • B. 

      Automobiles

    • C. 

      Lips

    • D. 

      Space matter

  • 22. 
    What is the most massive star? Two words.  
  • 23. 
    The matter in a star _______________________  . 
    • A. 

      Always converts to a white dwarf

    • B. 

      Disappears

    • C. 

      Cycles

  • 24. 
    The final stage of a medium sized star is a ________________  _____________________ . Two words.  
  • 25. 
    Slide 14: The final stage of a large sized star is a ________________  _____________________ . Two words.   
  • 26. 
    Slide 15: The final stage of a giant sized star is a ________________  _____________________ . Two words.  
  • 27. 
    Large stars have more __________________ than the sun.
  • 28. 
    Large stars have shorter  _____________________ .
  • 29. 
    Most stars spend their lives converting _______________________ to ___________________ . Two words.  
  • 30. 
    Helium converts to _______________________ .
  • 31. 
    Iron is the lightest element that doesn't release __________________ when attempting to fuse it together. 
  • 32. 
    What is a  ball of gases the majority of which is hydrogen
    • A. 

      A star

    • B. 

      Just our sun

    • C. 

      Jupiters moon

    • D. 

      Dry ice

  • 33. 
    A star is
    • A. 

      Bigger than the moon

    • B. 

      Held together by gravity

  • 34. 
    A fusion reaction at its core which converts hydrogen into helium
    • A. 

      Powers a star

    • B. 

      Creates a star

  • 35. 
    A star is much more massive than planets :  True or False
    • A. 

      True

    • B. 

      False

  • 36. 
    The center of a star where the nuclear fusion reactions occurs is the :
    • A. 

      Core

    • B. 

      Radiation zone

  • 37. 
    The region of the sun in which the energy created in the core turns into heat is the :
    • A. 

      Core

    • B. 

      Convection Zone

    • C. 

      Radiation zone

  • 38. 
    In the core Temperature = what ?
    • A. 

      2.5 million centigrade

    • B. 

      2.2 milliion centigrade

    • C. 

      15 million centigrade

  • 39. 
    The outer layer of the sun where the sun and turbulent atmosphere mixes
    • A. 

      Photospehere

    • B. 

      Chromosphere

    • C. 

      Corona

  • 40. 
    The atmosphere of the sun where solar flares are created
    • A. 

      Corona

    • B. 

      Photospehere

    • C. 

      Chromosphere

  • 41. 
    The outer layer of the chromospehre that extends to the edge of solar system
    • A. 

      Chromosphere

    • B. 

      Photospehere

    • C. 

      Corona

  • 42. 
    When the outer layer of the sun press down on the core pulled inward by gravity is called :
    • A. 

      Corona

    • B. 

      Plasma

    • C. 

      Gravitational compression

  • 43. 
    A group of atoms that have lost their electrons and become charged is called :
    • A. 

      Plasma

    • B. 

      Corona

    • C. 

      Gravitational compression

  • 44. 
    What causes hydrogen nuceli to overcome there electrical repulsion and combine to form Helium :
    • A. 

      Gravitational compression

    • B. 

      Plasma

    • C. 

      Energy

  • 45. 
    What is released when Hydrogen Nuclei combine to form Helium:
    • A. 

      Plasma

    • B. 

      Energy

    • C. 

      Gravitational compression

  • 46. 
    The sun might be described as a :
    • A. 

      Ball of fire

    • B. 

      Thermonuclear Bomb

    • C. 

      Star

  • 47. 
    Energy and radiation or created at the cores of the sun and flows to the radiation zone :  True or False
    • A. 

      True

    • B. 

      False

  • 48. 
    From the radiation zone enegy flows to the convection zone :  True of False
    • A. 

      True

    • B. 

      False

  • 49. 
    In the photosphere energy is converted into heat and light and leaves the star :  True or False
    • A. 

      True

    • B. 

      False

  • 50. 
    A star provides a _______ that holds all of the planets in their solar system in their orbit.
    • A. 

      Gravitational compression

    • B. 

      Gravitational center

  • 51. 
    A star provides ________ to planets of the suns system
    • A. 

      Plasma

    • B. 

      Energy