Science

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Across
  1. 3. How fast an object is moving
  2. 4. The amount of matter that makes up an object
  3. 5. To apply a force
  4. 7. A self-contained unit on an aircraft, spacecraft, vehicle, or vessel that can be detached, for a particular function
  5. 8. An event or process that leads to a result or change.
  6. 9. The same in quantity, size, degree, or value
  7. 11. A force between an object and the surface when it is moving over
Down
  1. 1. Acting or going in the reverse direction
  2. 2. Speed in a particular direction.
  3. 5. A result or change that happens because of an event or process
  4. 6. A push or a pull that can change the motion of an object
  5. 8. The moment when two objects hit each other
  6. 10. Anything that has mass and takes up space