Nouns and verbs VOCABULARY

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Across
  1. 2. (noun) a thing/object/activity that was done successfully
  2. 4. (verb) similar to get/become better in something
  3. 7. (noun) the Rubik cube is a mental ___________
  4. 9. (verb) law students have to _________ the constitutional articles.
Down
  1. 1. (noun) I can't remember all the adjectives,I don't have a good _______
  2. 3. (noun) a positive result from improving
  3. 5. (noun) I know my students will find the correct _______ for the quiz, because they're smart cookies.
  4. 6. (verb) to reach a specific goal.
  5. 8. (verb) the action of finding the answer to a problem.