A long time ago puzzle

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Across
  1. 2. to create
  2. 4. smaller than a city
  3. 7. when its old
  4. 10. heat and light
  5. 11. another word to start
  6. 13. when it costs a lot
  7. 14. help around the home
  8. 16. when something is hard
Down
  1. 1. new
  2. 3. another word for object
  3. 5. to clean
  4. 6. when you live
  5. 8. phone how we communicate
  6. 9. what you get from school
  7. 12. modern candle
  8. 15. make clothes