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5 Written questions

5 Matching questions

  1. Approximately how old is the universe?
  2. What shape is the Milky Way galaxy?
  3. What do small stars become after their red giant stage?
  4. From birth to death, our sun is expected to spend a total of __________________ years in its main sequence, before running out of Hydrogen fuel
  5. What happens to the pitch of a car horn as it approaches a listener?
  1. a the pitch goes up (increases in frequency)
  2. b 10 billion years
  3. c white dwarf
  4. d spiral
  5. e 13.7 billion years

5 Multiple choice questions

  1. Big Bang theory
  2. light year
  3. neutron star
  4. a galaxy
  5. shorter

5 True/False questions

  1. What process creates energy the core of stars?spiral


  2. The coolest stars burn ________, while the hottest stars burn; (yellow, white); blue


  3. What conditions are necessary for nuclear fusion to occur?extreme heat and pressure


  4. Stars are born from clouds of dust and gas called __________________.dark matter


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


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