Isaac Newton

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Across
  1. 2. Capacity to do work
  2. 3. How fast something happens
  3. 4. Planets follow this path
  4. 8. Bounce back light
  5. 9. Building block of matter
  6. 10. Field of Newton's work
Down
  1. 1. Tool for observing stars
  2. 5. Tendency to resist motion change
  3. 6. Key to scientific calculations
  4. 7. Bend light through a medium