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Across 2. States that contour lines bend upstream as they cross a stream. 10. Type of contour line with hachure marks to show decreasing elevation. 11. Type of map that shows changes of elevation and surface features. 12. Heavy, dark contour line with an elevation label on it. 14. 66.5 degree south line of latitude. 15. Inward pulling force that gives Earth its general spherical shape 16. Zero degree line of latitude. 19. Angular distance east or west of the Prime Meridian 21. Star used by explorers to navigate - also know as the North Star. 22. Zero degree line of longitude. 23. Lines of longitude that run vertically from pole to pole 25. Outward force caused by the Earth rotating (spinning) on its axis. 26. Change in elevation divided by distance - slope of the land.

Down 1. 90 degree south line of latitude 3. Shape of the Earth that indicates it is flattened at the poles and bulges at equator 4. A line that connects points of equal value. 5. 23.5 degree south line of latitude 6. Angular distance north or south of the equator. 7. Difference in elevation between adjacent contour lines. 8. 90 degree north line of latitude. 9. 23.5 degree north line of latitude 13. Line that connects points of equal elevation. 14. 66.5 degree north line of latitude. 17. Marker in the ground indicating elevation above sea level. 18. A region that has a measurable value of a given property at every point. 20. Distance above sea level. 21. Side view. 24. Used to calculate distances on a map.