Super and Auto Prefix Crossword

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Across
  1. 3. a man with greater abilities than others
  2. 4. done without thinking about it
  3. 5. take the place of
  4. 6. a star that has exploded
  5. 8. place on top of
  6. 10. greater than the speed of sound
  7. 11. a ​book about a person's ​life, written by that ​person
Down
  1. 1. watch and direct
  2. 2. a ​device that ​keeps ​aircraft, ​spacecraft, and ​ships ​moving in a ​particular ​direction
  3. 4. a car
  4. 5. a country with great power
  5. 6. things that cannot be explained by science
  6. 7. a large self-service grocery
  7. 9. the signature of a famous person