Puzzle 1

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Across
  1. 2. relating to or characterized by industry
  2. 3. an organ of soft nervous tissue contained in the skull of vertebrates
  3. 5. occurring, found, or done often; prevalent.
  4. 6. unusual or surprising; difficult to understand
  5. 9. let (someone) have or do something
  6. 10. a small number of.
  7. 11. belonging to the present time
Down
  1. 1. first in order of importance; main
  2. 4. the action or process of adding something to
  3. 7. every person
  4. 8. large body of matter with no definite shape