Science vocab

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Across
  1. 2. forces two or more forces resulting in a change in an object's motion
  2. 4. to put forth (strength)
  3. 5. the distance an object travels per unit of time
  4. 6. the amount of matter
  5. 8. speed of an object in a specified direction
Down
  1. 1. the state in which one object's distance from another is changing
  2. 3. increase in the rate of speed of something
  3. 7. A push or pull exerted on an object