Isaac Newton cross word

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Across
  1. 5. the thing that keeps the planets orbiting around the sun
  2. 7. what was one of his greatest achievements? the theory of light and...
  3. 9. the thing you use to measure forces
  4. 10. what was one of his most famous books?
Down
  1. 1. were was Isaac newton born?
  2. 2. who died when he was born?
  3. 3. where did he go to school?
  4. 4. who did he live with at the age of 3
  5. 6. what did his mom want him to become that he wasn't good at?
  6. 8. who was a famous astronomer and scientist?