Crossword puzzle 1

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Across
  1. 1. near the begging of a period of time
  2. 4. (of a bird or aircraft) to rise high in the air while flying without moving the wings or using power
  3. 5. small in amount or number
  4. 6. the amount that something or someone weighs
  5. 8. having a hole or empty space inside
  6. 11. to fly by floating on air currents instead of using power from wings or an engine
  7. 12. the ability to do something
Down
  1. 2. the process of changing to suit different conditions
  2. 3. to develop gradually, or to cause something or someone to develop gradually
  3. 6. the distance between the ends of the wings of a bird, insect, or aircraft
  4. 7. a trip in an aircraft
  5. 9. a typical quality or an important part of something
  6. 10. to wave something, especially wings when or as if flying