The Warm-Up (General Knowledge)

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Across
  1. 3. : A large musical instrument with black and white keys.
  2. 4. : A large natural stream of water flowing to the sea.
  3. 8. : A red or green fruit that keeps the doctor away.
  4. 9. : You wear these on your feet.
  5. 10. : The organ inside your skull.
  6. 11. : The color of grass.
Down
  1. 1. : The coldest season of the year.
  2. 2. : Furniture designed for sitting.
  3. 5. : The planet we live on.
  4. 6. : Clear liquid essential for life.
  5. 7. : A device used to tell time.
  6. 9. : A facial expression that indicates happiness.