categories and functions

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Across
  1. 3. what are knives for?
  2. 5. pig,horse,chicken,cow,duck
  3. 7. what is a shovel for?
  4. 11. what is a cup for?
Down
  1. 1. what are books for?
  2. 2. orange juice, water, milk
  3. 4. snow, sun, rain, wind
  4. 6. what are pens for?
  5. 8. Jupiter, Saturn, Mars, Earth
  6. 9. what is a bathing suit for?
  7. 10. brain, stomach, heart