ORIGIN OF THE UNIVERSE CROSSWORD

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Across
  1. 3. ___and cosmig egg
  2. 4. was formed by a solid metal core, a liquid mantleand a tjjis but hard crust
  3. 7. North American cultures belived in this theory
  4. 9. is aproximately 4.5 billon years ago
  5. 10. Japanese and cgeroki cultures belived in this theory
Down
  1. 1. ______billon years ago
  2. 2. to the routine of the solar sistem through dust and gases
  3. 5. Egyptians and Nordic cultures
  4. 6. Scientific theory
  5. 8. the galaxy we live in is called the______