Across
- 4. distance, measured in degrees, east or west of the prime meridian
- 6. shows detailed shapes and natural and human-made features of Earth's surface
- 9. shows vertical slice through rocks below Earth's surface
- 13. key that explains symbols on a map
- 14. operating or occurring overhead
- 15. collecting information about an area without being there
- 16. height above sea level
- 17. measured steepness of the land
- 18. shows an object as though you were looking at it from the side
Down
- 1. elevation difference between contour lines that are next to each other
- 2. longitude 180* east or west of the prime meridian
- 3. relates distances on a map to actual distances
- 5. shows the surface geology of an area
- 7. first in rank
- 8. shows Earth's surface from above
- 10. difference in elevation between the highest and lowest point
- 11. area on Earth where people use the same time
- 12. distance, measured in degrees, north or south of the equator