PETA SCIENCE

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Across
  1. 4. energy of motion
  2. 5. the unit of work or energy
  3. 6. Forces that are opposite in direction and equal in size
  4. 8. a change in the position of an object with reference to time
  5. 10. Refers to something measured vertically whether high or low
  6. 12. A quantity that is unknown but assumed to have a fixed value
  7. 14. the amount of matter
  8. 15. a push or a pull
  9. 18. The transfer of energy
  10. 20. stored energy
Down
  1. 1. the rate at which an object changes its velocity
  2. 2. a stopping force
  3. 3. the sum of all the forces acting on an object
  4. 7. A tendency to do nothing or to remain unchanged
  5. 9. basic unit of mass in the metric system
  6. 11. force applied in one direction is greater than the force applied in the opposite direction
  7. 13. unit of force
  8. 16. the universal force of attraction acting between all matter
  9. 17. ability to do work
  10. 19. The time rate at which an object is moving along a path