vocabulary

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Across
  1. 2. speed
  2. 6. a coherent, typically large body of matter with no definite shape.
  3. 8. something that his another
  4. 11. a curved path
  5. 13. the energy possessed by a body by virtue
  6. 15. what is in the air
  7. 16. the speed of something
  8. 19. a force that acts between moving surfaces
Down
  1. 1. the thing you walk on
  2. 3. movement
  3. 4. the great size or extent of something.
  4. 5. relate an object's motion to the forces acting on it
  5. 7. to push
  6. 9. when you run
  7. 10. the resistance that one surface encounters when moving
  8. 12. energy which a body possesses by virtue of being in motion.
  9. 14. what do you do if you are doing lab chemicals
  10. 17. what do we live on
  11. 18. a body's relative mass