S and SH and CH "riddles"

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Across
  1. 2. a big yellow vehicle with wheels
  2. 4. Use this with soap to clean dishes
  3. 5. a crunchy salty snack
  4. 7. An ocean animal with sharp teeth
  5. 8. slithers in the jungle to get around
  6. 10. An cat like animal that runs very fast
  7. 11. Types of this are chicken noodle/tomato/pea
  8. 12. the opposite of sweet
Down
  1. 1. this is a cold treat for a hot day
  2. 3. another word for bug
  3. 4. It is important you ___ with your friends
  4. 6. Use this when you wash your hair
  5. 8. Green means go red means_____
  6. 9. I want a big red ____ on top of my sundae