Crossword riddles

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Across
  1. 3. what is black and white and read
  2. 5. I can teach you without saying anything
  3. 7. starts with t ends with t and has tea in it
  4. 8. how many letters are in the alphabet
  5. 9. you must break it before you use it
Down
  1. 1. I am tall when I am young, I am short when I am old
  2. 2. I have four legs but I can't walk
  3. 4. I am full of holes but I can hold water
  4. 5. I have a neck but I don't have a head
  5. 6. I am the shortest month