Star Lifecycle Crossword

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Across
  1. 1. Where a star begins its life in a cloud of dust and gas (Stage 1)
  2. 5. How much light a star gives off. All stars are compared to our sun (which has a value of 1).
  3. 7. The end of a large mass stars' life - an explosion! (Stage 4)
  4. 8. This is the beginning of the end of an average mass star (Stage 3)
  5. 9. The product of fusion in stars and continued use as fuel to make heavier elements
  6. 10. A graph where all stars are located based on temperature and luminosity (brightness).
  7. 11. The final stage of a very large mass star - nothing escapes a black hole! (Stage 5)
  8. 12. The final stage of an average mass star like our Sun (Stage 5)
  9. 13. The fuel for fusion in main sequence stars - squeezed together to make Helium
Down
  1. 2. Pure substances created in the core of stars that are the building blocks of matter
  2. 3. This is the beginning of the end of a large mass star (Stage 3)
  3. 4. The process in a star of fusing atomic nuclei to create heavier atoms and a lot of energy
  4. 6. The “mid-life” of a star (Stage 2)