Roots and affixes

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Across
  1. 3. - yearly
  2. 6. - to change
  3. 8. - a tank full of water and fish
  4. 11. - to study ancient things
  5. 15. - to carry
  6. 16. - brother
  7. 17. - my land
  8. 18. - to move forward
  9. 19. - stories
Down
  1. 1. - new book
  2. 2. - 100 years
  3. 4. - plants produce green stuff
  4. 5. - to lead
  5. 7. - many sides
  6. 9. - to move with the mind
  7. 10. - around/outside
  8. 12. - time
  9. 13. - they're good to me
  10. 14. - to shape
  11. 18. - to use light