On Target

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Across
  1. 3. The rotation of an aircraft in relation to an axis running from nose to tail (roll is left to right)
  2. 4. The quantity or amount of matter an object has
  3. 7. A property of matter by which it continues in its existing state of rest or uniform motion in a straight line, unless that state is changed by an external force
  4. 12. The study of the science of flight
  5. 13. The main body of an aircraft
  6. 14. A force that pushes objects upward
  7. 15. The part at the rear of the aircraft that provides stability
  8. 16. The study of the properties of moving air
  9. 19. The property of an object changing position in relation to its immediate surroundings
  10. 21. The path followed by a projectile flying or an object moving under the action of given forces
  11. 22. The closeness of two or more measurements to each other, independent of accuracy
  12. 23. The force that pulls down on any object near the surface of the earth
  13. 25. The rotation of an aircraft in relation to an axis running from wing to wing (nose up or nose down)
Down
  1. 1. The stabilizing and guiding unit of a rocket, an aerodynamic surface projecting from the rocket body for the purpose of giving the rocket directional stability
  2. 2. The quantity of motion of a moving body, measured as a product of its mass and velocity
  3. 5. The peak altitude of a rocket
  4. 6. A change in velocity
  5. 8. The force of flight that pushes an aircraft forward
  6. 9. A physical substance which has weight and is made up of molecules which are constantly moving
  7. 10. Well known for his Laws of Motion
  8. 11. An element, feature, or factor that is liable to vary or change
  9. 17. Resistance or friction force experienced by any object moving through air
  10. 18. The closeness of a measured value to a standard or known value
  11. 20. A force that acts on an aircraft to pull it back to earth
  12. 24. The rotation of an aircraft in relation to a vertical axis