Physics Fun

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Across
  1. 3. Female scientist specializing in radiation
  2. 5. A push or pull applied to an object
  3. 6. a measure of mass
  4. 9. What keeps us on earth
  5. 10. The space between two objects
Down
  1. 1. Rate of change of velocity
  2. 2. Distance over time
  3. 4. Founder of the laws of motion
  4. 7. Measure of atoms in an object or person
  5. 8. Seconds are a unit of this