Prefix ex-

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Across
  1. 2. The outside of a building (8 letters)
  2. 3. To force someone to leave a place, such as a school (7 letters)
  3. 4. To burst violently and suddenly (7 letters)
  4. 6. A trip for fun or learning (9 letters)
  5. 7. To make something longer of larger (6 letters)
  6. 8. To leave a place or way out of a building (4 letters)
Down
  1. 1. Giving one thing and receiving another in return (8 letters)
  2. 3. To send goods to another country to sell (6 letters)
  3. 5. To say something suddenly and loudly, often with surprise (7 letters)
  4. 6. The outer part or surface of something (8 letters)