I&S Extravaganza

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Across
  1. 3. Left or right?
  2. 6. time traveling
  3. 7. all you do is something that rhymes with giraffe (gra...)
Down
  1. 1. this subject rocks
  2. 2. busy being a manager
  3. 4. using your brain to study the brain
  4. 5. what is life?