Inventions

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Across
  1. 4. We use it to lift things
  2. 5. Thomas Eddison invented this in 1879
  3. 7. we dive it
  4. 8. is a two-wheeled invention.
  5. 9. the opposite of floating.
  6. 10. This tool has two poles.
Down
  1. 1. Tells you if something can float.
  2. 2. This invention helps us move.
  3. 3. the opposite of sinking.
  4. 6. something new someone made
  5. 11. This has teeth but will not bite