Crossword #2

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Across
  1. 4. Plugged into devices to hear better
  2. 5. The "Horse" piece in chess
  3. 6. Metal blade used by knights
  4. 7. Flying animal, USA symbol
  5. 8. A _______, comes after 999,999
  6. 9. An insect with 8 legs
Down
  1. 1. A holiday full of chocolate eggs
  2. 2. "Caderno" in English
  3. 3. The teacher's favorite drink
  4. 5. Called by many an "electronic piano"