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