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5 Written questions

5 Matching questions

  1. The distance that light can travel in one year is called a ____________________.
  2. What process creates energy the core of stars?
  3. What is the name of the galaxy we live in?
  4. Stars are born from clouds of dust and gas called __________________.
  5. In a star's main sequence the element _____________ is being fused into the element _____________.
  1. a light year
  2. b nuclear fusion
  3. c nebulae
  4. d hydrogen, helium
  5. e Milky Way

5 Multiple choice questions

  1. the pitch goes up (increases in frequency)
  2. extreme heat and pressure
  3. spiral
  4. iron
  5. 10 billion years

5 True/False questions

  1. What does redshift tell scientists about the universe?the universe is expanding


  2. What object will be created by the supernova when the leftover core is less than about 5 times the mass of the Sun?neutron star


  3. A star enters its red giant stage when it begins fusing which element?the universe is expanding


  4. One explanation for the accelerating expansion for the universe is an undiscovered form of energy called ________________________.Big Bang theory


  5. Which theory explains that all matter in the universe expanded from a single point?Milky Way


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