Check the Vocabulary!

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Across
  1. 2. objects that travel around a star
  2. 3. the parts used to build a machine or device
  3. 8. able to continue for a long time without damaging the environment
  4. 9. sweat
  5. 11. without turns or curves
  6. 13. an opinion based on general dislike or good feeling, rather than facts or reasons
  7. 15. move up and down or side to side
  8. 16. awesome
  9. 17. a backward direction
Down
  1. 1. sad
  2. 4. the condition of having many difficult parts
  3. 5. number
  4. 6. new, man-made creation
  5. 7. a person who writes music
  6. 10. to look for information on a computer, especially on the internet
  7. 11. to move around quickly in a circle
  8. 12. machine that gives you something
  9. 14. reuse