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Across 1. device used to find direction, usually containing a magnetic needle 4. shape of the path followed by a projectile 7. azimuth 0º 8. concept: 'up' & 'down' parts of a trajectory should be mirror images 9. the effect of a (diagonal) vector in a particular direction 11. in right triangles, it is given by the ratio: opposite ÷ adjacent 12. if angle A + angle B = 90º, then angle A is the _?_ of angle B 14. quantity with magnitude (size) only 21. azimuth 270º 23. 4-sided geometric shape with opposite sides parallel and congruent 24. velocity component of a projectile that is constant ('steady') 25. directional heading that ranges through 360º 27. (math) relationship between perpendicular vectors 28. vertical part of projectile motion accelerates due to this force 29. events or actions that occur one immediately after the other 30. azimuth 90º 31. sign of the displacement and acceleration of a 'dropped' object

Down 2. object moving in 2-dimensions (only) under the influence of gravity 3. quantity with both magnitude (size) and direction 5. vector form of speed (speed in a particular direction 6. in right triangles, it is given by the ratio: adjacent ÷ hypotenuse 10. highest point along a trajectory 11. path of a projectile 13. navigational competition that uses a compass and point to point travel 14. in right triangles, it is given by the ratio: opposite ÷ hypotenuse 15. horizontal displacement of a projectile 16. find effect of a (diagonal) vector in a particular direction: vector _?_ 17. events or actions that occur simultaneously 18. combined effect of two (or more) vectors 19. vector form of distance (distance in a particular direction) 20. velocity component of a projectile that changes regularly over time 22. azimuth 180º 26. finding the combined effect of two vectors: vector _?_