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  1. 1. Earth/Environmental Science Chapter 2 Mapping Our World P Squires 2005-2006
  2. 2. Discovery Lab <ul><li>Read page 27 – Make and Use a Map </li></ul><ul><li>Conduct the lab and record your observations in your lab notebook. </li></ul><ul><ul><ul><li>Tell what you did (procedure). </li></ul></ul></ul><ul><ul><ul><li>Tell what you observed (data). </li></ul></ul></ul><ul><ul><ul><li>Tell what you learned (conclusion). </li></ul></ul></ul>
  3. 3. Cartography <ul><li>The science of mapmaking. </li></ul>
  4. 4. Latitude <ul><li>Lines that run parallel to the equator. </li></ul><ul><li>The distance in degrees north or south of the equator. </li></ul><ul><li>Equator is zero degrees. Poles are ninety degrees. </li></ul>
  5. 5. Longitude <ul><li>The distance in degrees east or west of the prime meridian, which is the reference point for longitude. </li></ul><ul><li>Prime Meridian represents zero degrees longitude. </li></ul>
  6. 6. Time Zones <ul><li>Earth is divided into 24 time zones. </li></ul><ul><li>When it is 10 am in Canton, it’s 7 am in LA. What time is it in Chicago, Il? </li></ul>
  7. 8. Types of Maps <ul><li>Mercator Projection </li></ul><ul><li>Conic Projection </li></ul><ul><li>Gnomic Projections </li></ul><ul><li>Topographic Map </li></ul>
  8. 9. Maps <ul><li>Map Legend </li></ul><ul><li>Map Scales </li></ul>
  9. 10. Remote Sensing <ul><li>The process of collecting data about Earth from far above the Earth’s surface. </li></ul>
  10. 11. Electromagnetic Spectrum <ul><li>The arrangement of radiation according to wavelength. </li></ul><ul><li>Wave Characteristics </li></ul>
  11. 12. Wavelength
  12. 13. Electromagnetic Spectrum
  13. 14. Electromagnetic Spectrum
  14. 15. Chapter 2 Assessment <ul><li>What feature on a map shows the ratio of map distance to actual distance on Earth? </li></ul><ul><li>a. map legend </li></ul><ul><li>b. map scale </li></ul><ul><li>c. map symbol </li></ul><ul><li>d. contour lines </li></ul>
  15. 16. Chapter 2 Assessment <ul><li>What type of map shows changes in elevation on Earth’s surface? </li></ul><ul><li>a. Mercator projection </li></ul><ul><li>b. gnomonic projection </li></ul><ul><li>c. topographic map </li></ul><ul><li>d. GPS </li></ul>
  16. 17. Chapter 2 Assessment <ul><li>What is the reference point for lines of latitude? </li></ul><ul><li>a. the equator </li></ul><ul><li>b. the prime meridian </li></ul><ul><li>c. the International Date Line </li></ul><ul><li>d. the 180 degree meridian </li></ul>
  17. 18. Chapter 2 Assessment <ul><li>What is a Global Positioning System (GPS)? </li></ul><ul><li>How might it be helpful to a hiker lost in the woods? </li></ul>
  18. 19. Chapter 2 Assessment <ul><li>What does a map legend contain? </li></ul><ul><li>a. contour lines </li></ul><ul><li>b. longitude lines </li></ul><ul><li>c. latitude lines </li></ul><ul><li>d. the symbols used on a map </li></ul>
  19. 21. Birthday Mapping <ul><li>Use the following map to plot the coordinates for your birthday. </li></ul><ul><li>Use the month for latitude and the day for longitude. </li></ul><ul><li>Find what Continent, Country and City your birthday party would be located. </li></ul><ul><li>Search Google to find information about your city and tell what your birthday party would be like in that city. </li></ul>
  20. 23. Triangle (SCIFI Channel 2005)