Earth Science Chapter 1

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Class Notes 9/20/10 and 9/21/10

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Earth Science Chapter 1

  1. 1. Notebook Set Up <ul><li>Name and class written on the inside of front cover. </li></ul>
  2. 2. Chapter 1 : Mapping Earth’s Surface Page 44
  3. 3. Date <ul><li>9/20/2010 written in the upper right corner of the page. </li></ul>
  4. 4. 9/20/10 Warm Up <ul><li>Copy Questions down into your NOTEBOOK and then answer the questions in your notebook. </li></ul><ul><li>What kinds of information can you get from a map? </li></ul><ul><li>When have you used a map before? </li></ul>
  5. 5. Understanding Maps <ul><li>1. Maps show where things and places are in relation to each other. </li></ul><ul><ul><li>A single map shows a snapshot of things at a given time. </li></ul></ul><ul><ul><li>A series of maps can show change over time. </li></ul></ul>
  6. 6. Grid System <ul><li>Mapmakers created a grid system to make it easy to find locations on Earth. </li></ul><ul><li>This grid system uses lines of Longitude and Latitude. </li></ul>
  7. 7. Latitude <ul><li>Latitude is the distance in degrees north or south of the equator . </li></ul><ul><li>a. Earth’s equator is a line of latitude. </li></ul><ul><li>b. Measured from 0° to 90° North, and from 0° to 90° South. </li></ul>
  8. 8. Longitude <ul><li>Lines of longitude run from the north pole to the south pole. </li></ul><ul><li>Longitude is the distance in degrees east (0 to 180) or west (0 to 180) of the prime meridian . </li></ul>
  9. 9. Helpful Hint <ul><li>Lat itude lines look like the steps of a ladd er. </li></ul><ul><li>It’s a long long way from pole to pole, so we call those Long itudes. </li></ul>
  10. 10. 9/21/10 Warm Up <ul><li>Above are two different views of the same house. </li></ul><ul><li>Give 3 examples of times you would want to use a MAP VIEW and 3 examples of times you would want to use a PROFILE VIEW. </li></ul>
  11. 11. Brain Break <ul><li>Q. Why was longitude boiling mad? </li></ul>
  12. 12. Brain Break <ul><li>Q. Why was longitude boiling mad? A. Because it was 360 degrees. </li></ul><ul><li>180° West </li></ul><ul><li>+ 180° East </li></ul><ul><li> 360° </li></ul>
  13. 13. Minutes and Seconds <ul><li>4. Latitude and longitude are divided into 60 smaller units called minutes ( ‘ ). </li></ul><ul><li>5. Minutes are also divided into 60 smaller units called seconds ( “ ). </li></ul>
  14. 14. Plotting Locations <ul><li>Latitude then Longitude </li></ul><ul><ul><li>Example: 38°N, 121°W </li></ul></ul><ul><li>Use minutes and seconds for an exact location: </li></ul><ul><ul><li>38°34’33” by 121°29’29” </li></ul></ul>
  15. 15. Practice
  16. 16. Map Legends (Key) <ul><li>List symbols used on maps </li></ul>
  17. 17. Map Scales <ul><li>Tells the relationship between a distance on the map and the actual distance. </li></ul>
  18. 18. Practice <ul><li>Create an accurate map of your desk using the scale: </li></ul><ul><li>1 inch = 1 foot (12 inches) </li></ul><ul><li>Copy this chart to help you plan: </li></ul>Length Width Mapped Desk (Inches) Actual Desk (Feet)
  19. 19. Homework <ul><li>HOMEWORK IS TO BE DONE IN YOUR NOTEBOOK </li></ul><ul><li>Lesson Review page 52: # 1 – 8 </li></ul>

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