Martial Art!

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