Time B

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Across
  1. 3. Situation where events repeat in a continuous cycle
  2. 5. A measure of time, space, or both
  3. 7. Physics theory often associated with time travel concepts
  4. 9. Not affected by the passage of time, enduring
  5. 10. A period of ten years
Down
  1. 1. Relating to or involved with time
  2. 2. Container storing objects to be opened in the future
  3. 4. Fictional device enabling travel to different points in time
  4. 6. Travel from one place or time to another
  5. 8. A distinct period of time in history