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Eighth Grade (Grade 8) Stars Questions

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Grade 8 Stars
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
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
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
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
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
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 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
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
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