Earth Science Chapter 1
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Earth Science Chapter 1

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

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

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    Earth Science Chapter 1 Earth Science Chapter 1 Presentation Transcript

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