UNIT ONE: Toward Independence
Lesson 15
LATITUDE
LEFT SIDE PAGE 36
1 WARM UP
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 ? ?
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 90º North and another 90º 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 = 0º The Tropic of Cancer = 23 1/2ºN The Tropic of Capricorn = 23 1/2ºS The Arctic Circle = 66 1/2ºN The Antarctic Circle = 66 1/2ºS The North Pole = 90ºN The South Pole = 90ºS
Add the Following Items to Your Glossary (16-18) Latitude Equator Sextant
