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Eighth Grade (Grade 8) Stars Questions

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Grade 8 Stars
Characteristics used to classify stars include                                      .
  1. distance, size, and color
  2. size, distance, and brightness
  3. color, brightness, and temperature
  4. distance, brightness, and temperature
Grade 8 Stars
A star's brightness as seen from Earth is                       .
  1. its apparent magnitude
  2. its overall magnitude
  3. its complex magnitude
  4. its absolute magnitude
Grade 8 Stars
A huge cloud of gas and dust from which new stars and galaxies form is called
  1. a pulsar.
  2. a nova.
  3. a nebula.
  4. the universe.
Grade 8 Stars
A pulsar is                                .
  1. a dead star
  2. a new-born star
  3. a rapidly spinning neutron star
  4. a rapidly spinning white dwarf
Grade 8 Stars
Which two elements are the main composition of a star?
  1. Carbon Dioxide & Nitrogen
  2. Hydrogen & Boron
  3. Nitrogen & Helium
  4. Helium & Hydrogen
Grade 8 Stars
The apparent magnitude of a star is a measure of its
  1. surface temperature and composition.
  2. distance from Earth.
  3. brightness as it appears from Earth.
  4. position on the H-R diagram.
Grade 8 Stars
Which of the following can be created from the death of a supergiant star?
  1. white dwarf star
  2. black hole
  3. protostar
  4. nebula
Grade 8 Stars
What is a spectroscope used for?
  1. Analyze what elements a star contains
  2. Measure the distance to stars
  3. Measure a star's temperature
  4. Make distant objects appear closer
Grade 8 Stars
If a star is massive, it is most likely to have
  1. a longer life span than a less massive star.
  2. a shorter life span than a less massive star.
  3. a similar life span to a less massive star.
Grade 8 Stars
A plot of surface temperatures of stars against their absolute magnitude is called
  1. an H-R diagram.
  2. a stellar chart.
  3. a constellation map.
  4. a spectrum.
Grade 8 Stars
The process by which stars produce their energy is called
  1. internal combustion.
  2. nuclear fusion.
  3. nuclear fission.
  4. electromagnetic radiation.
Grade 8 Stars
What is a nebula?
  1. a large cloud of gas and dust
  2. a red giant
  3. a red supergiant
  4. all the above
Grade 8 Stars
Why do stars appear to move?
  1. Because the wind is blowing
  2. Because they are so far away
  3. Because of Earth's rotation
  4. Because of Newton's law of gravity
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