Physics

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Across
  1. 1. He formulated the laws of motion
  2. 4. the scientific study of matter and energy and the effect that each has on the other:
  3. 7. The third planet.
  4. 8. The amount of matter in object or in any volume of liquid or gas
  5. 10. force that causes something moving to tend to continue moving
  6. 13. The speed at which something is traveling
  7. 14. Something that has direction and speed
  8. 15. The act or process of moving, or a particular movement
Down
  1. 2. A quality of an object that is a measure of the force by which the earth attracts it
  2. 3. the rate of change in the speed of something over time
  3. 5. Some who learns
  4. 6. a principle
  5. 9. Rate at which something moves or happens:
  6. 11. Someone who teaches
  7. 12. a unit of measurement of weight equal to 1000 grams or 2.2 pounds