Vocabulary Unit 2

123456789101112131415161718
Across
  1. 3. show there is a change
  2. 4. start discussing a sibject
  3. 5. triying different options
  4. 8. closely studied
  5. 9. check your idea
  6. 11. connect a piece of equipment
  7. 13. give facts and physical signs
  8. 17. subject area
  9. 18. closely watched
Down
  1. 1. very big change
  2. 2. far more advanced
  3. 6. romething really difficult
  4. 7. connect twio pieces of electrical equipment
  5. 10. understand and remember something
  6. 12. remove or make a feeling
  7. 14. additional results that you do not want
  8. 15. way of doing something
  9. 16. people to use their experiments