Across
- 2. percent _____ - Gradient expressed as a percent, rise divided by run multiplied by 100.
- 4. _______ sensing - the collection of information about Earth and its environment from a distance
- 5. ____ system - a system using numbers, such as latitude and longitude, to describe the location of a point on Earth.
- 7. a graphic representation of the scale of a map consisting of a line with marks like on a ruler.
- 8. the ratio between distance on a map and the corresponding distance on the ground.
- 10. ____ sounding - A remote sensing method that uses sound waves to determine the depth of water.
- 11. A map showing elevations on Earth’s surface in a measurable fashion such as with contour lines.
- 15. Contour _____, the elevation change between adjacent contour lines on a map
- 16. a mathematical method of distorting the curved surface of the Earth so that it can be portrayed on a flat surface. Projection types include conic, cylindrical and azimuthal.
- 18. the location of a place described as an angle east or west of the prime meridian.
- 19. A contour line with a heavier weight and a numerical label.
- 20. A satellite navigation system used to determine locations on Earth
Down
- 1. a line on a topographic map connecting points of equal elevation
- 3. the 0o longitude line in Greenwich England
- 6. ____ spheroid, a flattened sphere.
- 8. The entire range of wavelengths of electromagnetic radiation.
- 9. a mathematical measurement of the rate of change of surface elevation over a horizontal distance.
- 12. Computer software that can analyze data about Earth and present it visually in the form of maps
- 13. The location of a place described as an angle north or south of the Equator, with 0o being the Equator.
- 14. the art and science of making maps
- 17. a key that shows what each symbol on a map represents