Martial Art!

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Across
  1. 3. The science of matter and energy and their intaraction
  2. 5. A customary way of operation or behavior
  3. 6. Of or appropriate to war, warlike
  4. 8. The property of being flexible, easily bent or shaped
  5. 9. The art of self defence that originated in Korea
Down
  1. 1. Complete and wholehearted fidelity
  2. 2. An event that repeats
  3. 4. Fighting between two military forces
  4. 7. A rapid active commotion
  5. 10. A primarly unarmed Chinese martial art resembling karate