Cross Word Puzzle

12345678910111213141516
Across
  1. 2. a movement or action
  2. 4. a measurement of the amount of matter something contains
  3. 7. two forces acting on an object with equal size
  4. 10. law for every action there is a reaction
  5. 11. forces that resist motion
  6. 12. the overall force acting on an object
  7. 13. pulls things down toward the ground
  8. 15. a place or object used for comparison to determine if something is in motion
  9. 16. distance from another object
Down
  1. 1. an object at rest stays at rest and an object in motion stays in motion
  2. 3. speed with a direction
  3. 5. increase in the rate or speed of something
  4. 6. a push or pull
  5. 8. for every action there is an equal and opposite reaction
  6. 9. how far i'm moving
  7. 14. slows things down to a stop