What do you know about Isaac Newton?

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Across
  1. 4. the place I. Newton was born in
  2. 5. a title Newton got for his scientific work
  3. 7. the odd field Newton didn`t contribute to (mathematics, physics, mechanics, optics)
  4. 8. Newton came up with the idea of cat ... to allow his cat travel in and out of the house
Down
  1. 1. the telescope invented by Newton to collect light
  2. 2. the disaster happened at Newton`s time that made him stay at home and urged him to wonder what force made things fall
  3. 3. the book where the ideas of gravity were published
  4. 6. the University the great scientist studied