Unit 5 Crossword Puzzle

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Across
  1. 2. Something made out of two or more things.
  2. 5. To go faster.
  3. 7. To stop something from happening.
  4. 8. A device that can help you if you are lost
Down
  1. 1. Not used anymore.
  2. 3. To finish something even though it was difficult.
  3. 4. Inventions and machines.
  4. 6. People who work on an airplane