past discoveries

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Across
  1. 5. To find something new.
  2. 7. The action of traveling on water in a boat
  3. 8. The man who discovered America before Columbus.
  4. 9. Small animals with wings that can fly
Down
  1. 1. A machine that can fly and goes up with spinning blades
  2. 2. People who lived in the north and sailed to new lands
  3. 3. What Leonardo did with a pencil — he made pictures
  4. 4. Leonardo’s most famous painting.
  5. 6. Leif Erikson found this new land in America.