History crossword

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Across
  1. 5. a group of people that worked as a group and invented the bow
  2. 7. the remains of something that used to be alive
  3. 8. the first official history
  4. 11. most people moved a lot another word for that is ______
  5. 12. the town of Jericho was in this book
  6. 13. how did people use the roofs of the town Catal Hoyuk
  7. 14. people go to different continents using these
Down
  1. 1. the Cro-Magnon people put these on cave walls
  2. 2. the remains of something that was made
  3. 3. where were people's caves facing
  4. 4. this type of humans nickname was upright man
  5. 6. a time where people could walk to a different continent
  6. 9. the time in history when people first started making tools
  7. 10. everyone had a _____
  8. 15. a reason why people didn't have to move is because of this