crossword 131

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Across
  1. 1. The speed of something in a given direction.
  2. 3. To acknowledge a significant event with festivities.
  3. 7. To choose or pick out from a group.
  4. 9. A group of stars forming a recognizable pattern.
  5. 10. The frequency or regularity of something happening.
  6. 12. Likely to change rapidly and unpredictably.
  7. 13. To emit energy or heat in the form of rays.
  8. 14. A professional who designs and builds systems, structures, or machines.
Down
  1. 2. A general summary or survey of a topic.
  2. 4. Knowledge or skill gained through practical involvement.
  3. 5. To inspect or investigate something carefully.
  4. 6. To encourage or provoke interest or activity.
  5. 8. A place where books and other media are stored and can be borrowed.
  6. 11. The activity of buying and selling goods and services.