TWIRL! Crossword Fun 2

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Across
  1. 1. to use your voice for music
  2. 2. an opening in a wall or door through which you can see
  3. 5. something you do when you are tired
  4. 7. System Our sun, planets, moons and stars
  5. 9. the last letter in the Greek Alphabet
Down
  1. 1. Something that light does when it is bright
  2. 3. a sound made by blowing through your lips
  3. 4. the entrance to a room
  4. 6. the first letter in the Greek Alphabet
  5. 8. something you do to get a baby to go to sleep