TOEFL Unit 9

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Across
  1. 2. n. a group of atoms
  2. 3. n. the physical universe beyond Earth's atmosphere
  3. 6. v. to try with great effort
  4. 7. n. a set firmly and deeply in a surrounding mass
  5. 9. v. to change
  6. 12. n. a gaseous substance
  7. 13. n. a blockade
  8. 14. n. a system of stars, gas, and dust held together by gravitational forces
  9. 15. v. to guess based on known facts
  10. 17. v. to scattered
  11. 18. adj. related to the sky or heaven
Down
  1. 1. v. to concentrate; to make smaller
  2. 4. n. the physical process of being worn away
  3. 5. n. an increase on a fixed scale
  4. 8. v. to operate; to process; to handle
  5. 10. n.the center or main point
  6. 11. n. native
  7. 16. v. to organize