Help with Mapping Crossword?

Question

1. The angle east or west measured from north or south using a compass. - - - - - - -

17. Turned to find a bearing. - - - -

18. A fixed point at the northern most end of earths rotation.

- o - - - - -

19. Degrees counted clockwise to 360. - - - - - - -

21. Used to measure distance on a map. s - - - -

22. A river on a topographic map is shaped like this. - - -

2. A line of equal value. - - - l - - -

4. Change in elevation divided by the distance. - - - - - - - -

6. Earths rotation controls these. - i - - - - n -

7. There are 60 of these in one second. - e - - - -

9. using a comapss to follow an outlined course.

- - - - - - e - - - - -

10. a line of equal elevation - - - - - u - - - - -

13. the change from one contour line to the next. i - - - - - - -

15 Parallel lines used to help mark a point on a map.

- - - - - - - -

Answer 1

21. Used to measure distance on a map. SCALE

2. A line of equal value. ISOLINE

9. using a comapss to follow an outlined course. ORIENTEERING

13. the change from one contour line to the next. INTERVAL

Sorry only managed to find four answers, good luck with the rest