8. Brain Boost

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Across
  1. 4. Clever or bright
  2. 6. Something true
  3. 8. Short test of knowledge
  4. 9. Hint for solving
  5. 11. Collection of pages
  6. 12. Short piece of writing
  7. 13. Unit of language
Down
  1. 1. Thought or plan
  2. 2. Measure of knowledge
  3. 3. Activity for fun
  4. 5. Use the mind
  5. 7. Method of doing
  6. 10. Gain knowledge