Env Sci/Physics 141: Stars

Steven Dutch, Natural and Applied Sciences, University of Wisconsin - Green Bay
First - time Visitors: Please visit Site Map and Disclaimer. Use "Back" to return here.

  1. Which main-sequence stars are the least massive?
    1. red
    2. white
    3. orange
    4. blue
    5. yellow
  2. Possibly the most cataclysmic act to occur in nature is;
    1. electron degeneration
    2. a nova
    3. a supernova
    4. the collision of two galaxies
  3. The nearest star
    1. Alpha Centauri
    2. Sirius
    3. Procyon
    4. the Sun
  4. Which color stars have the highest surface temperature?
    1. red
    2. white
    3. orange
    4. blue
    5. yellow
  5. Which color stars have the coolest surface temperature?
    1. red
    2. white
    3. orange
    4. blue
    5. yellow
  6. Which main-sequence stars are the most massive?
    1. red
    2. white
    3. orange
    4. blue
    5. yellow
  7. The final stage for a star which is as massive as the sun:
    1. black hole
    2. red giant
    3. black dwarf
    4. white dwarf
    5. main-sequence
  8. When a main-sequence star has exhausted the hydrogen fuel in its core, it becomes a:
    1. black hole
    2. black dwarf
    3. neutron star
    4. red giant
    5. white dwarf
  9. Stars that are composed of matter in which electrons have combined with protons are called:
    1. black hole
    2. red giant
    3. black dwarf
    4. white dwarf
    5. neutron star
  10. This property of a star can be determined from its color:
    1. mass
    2. surface temperature
    3. stellar distance
    4. volume
    5. velocity
  11. These can be produced during a supernova event:
    1. black hole
    2. red giant
    3. black dwarf
    4. white dwarf
    5. main-sequence star
  12. A star in which light cannot escape because of the immense
    13. gravitational pull at its surface:
    1. black hole
    2. red giant
    3. black dwarf
    4. white dwarf
    5. main sequence star
  13. The black lines across the spectrum of the sun or a star are caused by
    1. planets getting in the way
    2. absorption of light by atoms in the star
    3. emission of light by atoms in the star
    4. chemical reactions
  14. The Doppler Effect causes light from an object moving toward us to:
    1. be red-shifted
    2. be blue-shifted
    3. undergo no change
    4. become green
  15. The Doppler Effect causes light from an object moving away from us to:
    1. be red-shifted
    2. be blue-shifted
    3. undergo no change
    4. become green
  16. The Doppler Effect causes light from an object moving across our line of sight to:
    1. be red-shifted
    2. be blue-shifted
    3. undergo no change
    4. become green
  17. The constellations as we see them from Earth would change noticeably in (pick the shortest applicable time):
    1. 100 years
    2. 10,000 years
    3. 1,000,000 years
    4. a billion years
  18. Gravity overwhelms all other forces in this object:
    1. Normal Star
    2. White Dwarf
    3. Neutron Star
    4. Black Hole
    5. Red Giant
  19. Largest of all stars
    1. Normal Star
    2. White Dwarf
    3. Neutron Star
    4. Black Hole
    5. Red Giant
  20. Can be a pulsar
    1. Normal Star
    2. White Dwarf
    3. Neutron Star
    4. Black Hole
    5. Red Giant
  21. What the most massive stars become
    1. Normal Star
    2. White Dwarf
    3. Neutron Star
    4. Black Hole
    5. Red Giant
  22. What the sun will probably become next
    1. Normal Star
    2. White Dwarf
    3. Neutron Star
    4. Black Hole
    5. Red Giant
  23. The last stage in the evolution of the Sun
    1. Normal Star
    2. White Dwarf
    3. Neutron Star
    4. Black Hole
    5. Red Giant
  24. Technique astronomers use to find distance to nearby stars
    1. Parallax
    2. Spectroscopy
    3. Doppler Shift
  25. The color of a star is due to:
    1. Its distance
    2. Its composition
    3. Its temperature
    4. Its age
    5. Its size
  26. All objects exist as the result of a balance between some force and:
    1. Centrifugal force
    2. Electromagnetism
    3. Gravity
    4. Nuclear Forces
    5. Radiation
  27. What force keeps Planets from collapsing?
    1. Radiation
    2. Gravity
    3. Nuclear Forces
    4. Electron repulsion
    5. Forces between atoms
    6. No known force can prevent collapse
  28. What force keeps Normal Stars from collapsing?
    1. Radiation
    2. Gravity
    3. Nuclear Forces
    4. Electron repulsion
    5. Forces between atoms
    6. No known force can prevent collapse
  29. What force keeps White Dwarfs from collapsing?
    1. Radiation
    2. Gravity
    3. Nuclear Forces
    4. Electron repulsion
    5. Forces between atoms
    6. No known force can prevent collapse
  30. What force keeps Neutron Stars from collapsing?
    1. Radiation
    2. Gravity
    3. Nuclear Forces
    4. Electron repulsion
    5. Forces between atoms
    6. No known force can prevent collapse
  31. What force keeps each Black Holes from collapsing?
    1. Radiation
    2. Gravity
    3. Nuclear Forces
    4. Electron repulsion
    5. Forces between atoms
    6. No known force can prevent collapse
  32. Planets are what approximate size?
    1. No size at all
    2. 10 km
    3. 10,000 km
    4. 1,000,000 km
    5. 100,000,000 km
  33. Normal Stars are what approximate size?
    1. No size at all
    2. 10 km
    3. 10,000 km
    4. 1,000,000 km
    5. 100,000,000 km
  34. Giant Stars are what approximate size?
    1. No size at all
    2. 10 km
    3. 10,000 km
    4. 1,000,000 km
    5. 100,000,000 km
  35. White Dwarfs are what approximate size?
    1. No size at all
    2. 10 km
    3. 10,000 km
    4. 1,000,000 km
    5. 100,000,000 km
  36. Neutron Stars are what approximate size?
    1. No size at all
    2. 10 km
    3. 10,000 km
    4. 1,000,000 km
    5. 100,000,000 km
  37. Black Holes are what approximate size?
    1. No size at all
    2. 10 km
    3. 10,000 km
    4. 1,000,000 km
    5. 100,000,000 km
  38. Parallax is:
    1. The apparent shift in a star’s position from one side of the Earth to the other
    2. The apparent shift in a star’s position from one side of the Earth’s orbit to the other
    3. The apparent diameter of a star as seen in a telescope
    4. The amount a star moves in a year due to its own motion
  39. What two elements make up 99.9% of the cosmos?
    1. iron and silicon
    2. hydrogen and helium
    3. carbon and silicon
    4. hydrogen and oxygen
    5. carbon and hydrogen
  40. Where did the heavy elements in the Solar System come from?
    1. comets coming in from outside
    2. formed in earlier generations of stars
    3. formed in the Sun
    4. formed by nuclear reactions as the Solar System was condensing
  41. The spacecraft HIPPARCOS provided us with:
    1. Images of planets around other stars
    2. Vastly improved measurements of the sizes of stars
    3. Images of the most distant galaxies
    4. Vastly improved measurements of the distances of stars
  42. The violent collapse and explosion of a star is termed a:
    1. Supernova
    2. Nebula
    3. Starburst
    4. Stellar Implosion
  43. The heavier (more complex) an element is, the __________
    1. rarer it is in the Universe
    2. more common it is in the universe
    3. less essential it is for life
    4. more likely it is to occur on Earth
    5. more important it is for producing energy in stars
  44. Deneb, 1600 light years away, is too far even for HIPPARCOS to measure its distance accurately. We estimate its distance by:
    1. Observing its motion
    2. Comparing it to stars of the same type whose distance we can measure
    3. Knowing it's in a globular star cluster
    4. Measuring its red shift
  45. The most likely cause of the eventual extinction of life on earth:
    1. The Sun becoming a supernova
    2. The Sun becomes a red giant
    3. The Sun becomes a white dwarf
    4. The Sun becomes a Quasar
    5. Gradual heating of the earth as the Sun brightens

Matching (More than one answer may be correct)

  1. Normal Star
    1. Gravity overwhelms all other forces
    2. Largest of all stars
    3. Can be a pulsar
    4. What the most massive stars become
    5. What the sun will probably become next
    6. Nuclear fusion is the source of its energy
    7. The final stage in the evolution of the Sun
  2. White Dwarf
    1. Gravity overwhelms all other forces
    2. Largest of all stars
    3. Can be a pulsar
    4. What the most massive stars become
    5. What the sun will probably become next
    6. Nuclear fusion is the source of its energy
    7. The final stage in the evolution of the Sun
  3. Neutron Star
    1. Gravity overwhelms all other forces
    2. Largest of all stars
    3. Can be a pulsar
    4. What the most massive stars become
    5. What the sun will probably become next
    6. Nuclear fusion is the source of its energy
    7. The final stage in the evolution of the Sun
  4. Black Hole
    1. Gravity overwhelms all other forces
    2. Largest of all stars
    3. Can be a pulsar
    4. What the most massive stars become
    5. What the sun will probably become next
    6. Nuclear fusion is the source of its energy
    7. The final stage in the evolution of the Sun
  5. Red Giant
    1. Gravity overwhelms all other forces
    2. Largest of all stars
    3. Can be a pulsar
    4. What the most massive stars become
    5. What the sun will probably become next
    6. Nuclear fusion is the source of its energy
    7. The final stage in the evolution of the Sun

Click here to return to Astronomy Test Bank Index
Click here to return to Professor Dutch's home page

Created 25 September 2008, Last Update 14 December 2009

Not an official UW-Green Bay site