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UNIT ONE: Toward Independence

Lesson 15

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LATITUDE

LEFT SIDE
PAGE 36

1
WARM UP

WHAT I
KNOW
QUESTIONS
I HAVE
  • lines
  • on the Earth
  • parallel
  • Why is the Equator called that?

 
 
 
 
 
 
 
3
Read and Attach:
"Introducing Latitude"
  • Create margin notes on what you think is important.
    • Individually - Underline and highlight important information; in the margin provide a question or comment foe each hihlighted piece.
    • Share with your partner what you thought and selected.  Made changes if necessary.

Click HERE to download Introducing Latitude

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
5
LAB:
Making and Using a Sextant
  • Make a sextant
    • ?
    • ?
    • ?
    • ?
  • Determine the latitude of various pounts in the room
    • ?
    • ?

How to find the North Star

RIGHT SIDE
PAGE 37

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
2
OBJECTIVES:
  • Explain how latitude works.
  • Describe how a sextant is used to determine latitude.

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
4
NOTES:
  • What Is Latitude?
    • Lines
      • that run east to west
      • another name is "parallels"
    • Distance
      • in degrees
      • north or south of the Equator
      • each degree of latitude is about 69 miles
      • total of 90 North and another 90 South
  • Facts About Latitude
    • Where does it begin?
      • the Equator
        • an imaginary line that circles the Earth halfway between the North and South Poles
    • Where does it end?
      • the North and South Poles
    • What is its unit of measurement?
      • Degrees (minutes and seconds)
  • Important lines of latitude
    • The Equator = 0
    • The Tropic of Cancer = 23 1/2N
    • The Tropic of Capricorn  = 23 1/2S
    • The Arctic Circle = 66 1/2N
    • The Antarctic Circle = 66 1/2S
    • The North Pole = 90N
    • The South Pole = 90S

 
Latitude
Equator
Sextant