Super Duper Sophisticated Crossword Puzzle (may require a PhD)

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Across
  1. 3. the time of the week for chores
  2. 5. Flying mammal
  3. 8. what you cannot find online
  4. 9. the study of genes
  5. 10. the day you start paying back your loans
  6. 11. Large marsupial
  7. 12. Likes to chase mice
Down
  1. 1. ispialadocious
  2. 2. a concept you only study in school
  3. 4. Man's best friend
  4. 6. peanut loving memory bank
  5. 7. the study of the psyche