OLM Science6_2
- 1. Chapter 2 Maps & Models of the Earth You are Here Section 1
- 2. Map Model or representation of the Earth’s surface
- 3. Cardinal Directions North, East, South & West
- 4. True North Geographic North Pole
- 5. Magnetic Declination The difference between geographic north & true north
- 6. Equator The circle halfway between the poles that divides the north & south
- 7. Latitude The distance north or south, measured in degrees, from the equator
- 8. Longitude Imaginary lines that pass through the poles
- 9. Prime Meridian Line that represents 0 degrees longitude
- 10. Chapter 2 Maps & Models of the Earth Mapping the Earth’s Surface Section 2
- 11. Flat Sphere A map is a flat representation of the Earth’s surface
- 12. Mercator Projection Shows the Earth’s latitude & longitude as straight parallel lines
- 13. Conic Projection Map projection that is made by transferring the contents of a globe onto a cone
- 14. Azimuthal Projection Transfer the contents of the globe onto a plane
- 15. Aerial Photographs Photographs from the air
- 16. Remote Sensing Gathering of information without being there
- 17. Chapter 2 Maps & Models of the Earth Topographic Maps Section 3
- 18. Topographic Map A map that shows surface features of the earth
- 19. Elevation The height of an object above sea level
- 20. Contour Lines Lines that connect points of equal elevation
- 21. Contour Interval The difference in elevation between one contour line and the next
- 22. Relief Difference in elevation between the highest & lowest points of an area
- 23. Index Contour Darker & heavier contour line, usually every 5 th line