Unit 4-1

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Across
  1. 4. n. the act of using sth. until it is completely finished
  2. 6. v. send off to a destination
  3. 7. n. waste or rough fragments of stone or brick, etc.
  4. 10. n. the remnants of a wreck
  5. 12. of atoms are split or combined
Down
  1. 1. ad. in a methodical manner
  2. 2. v. walk or go unsteadily
  3. 3. a. that cannot be predicted because it changes a lot or depends on too many
  4. 5. things
  5. 8. a. correct and true in every detail
  6. 9. a. supernatural; mysterious
  7. 11. a. connected with weapons that explode by using the energy released when the