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Latitude and Longitude

Latitude and Longitude. Latitude & Longitude. What is the blue line on this globe called?. Equator! . Latitude & Longitude. What is the yellow line on this globe called?. Prime Meridian . Latitude & Longitude continued. Latitude ( x axis ) & Longitude ( y axis ).

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Latitude and Longitude

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  1. Latitude and Longitude

  2. Latitude & Longitude What is the blue line on this globe called? Equator!

  3. Latitude & Longitude What is the yellow line on this globe called? Prime Meridian

  4. Latitude & Longitude continued

  5. Latitude (x axis) & Longitude (y axis) - Coordinate systemused to locate places on Earth ALWAYS stated first (x) Latitude:measured in degrees, North & Southof Equator - think “laddertude” (rungs of a ladder) ** lines of latitude are also called parallels horizontal lines Maximum latitudes: 900 N (north pole) & 900 S (south pole) Reference line = Equator (00) Always has # and direction (examples: 490 N; 320 S)

  6. Latitude (x axis) continued There are 2 ways to get latitude:1) with reference to center of Earth 2) with reference to Polaris Polaris & latitude: altitude / angle to Polaris = your latitude If on the same latitude:1) all see Polaris at same angle 2) all have same length of day NH = Northern HemisphereSH = Southern Hemisphere FYI: 10 of latitude ~ 111 km

  7. ALWAYS stated second ALWAYS stated second Longitude (y axis) (y) Longitude:measured in degrees, East& Westof the Prime Meridian (Greenwich, England) ** lines of longitude are also called meridians Reference line: Prime Meridian (00) / GMT Greenwich Mean Time ** A chronometeris a very accurate clock used to find longitude by finding the time difference from 00 longitude. GMT is the time in Greenwich, England from which all longitude is calculated E or W of the Prime Meridian based on 15o per hour of difference from GMT.

  8. Longitude (y axis) continued International Date Line (IDL): 1800 If you go West over the IDL, add a day If you go Eastover the IDL, lose a day If on the same longitude:1) same time 2) all will see high noon at the same time Memorize this Rotational rate =Distance=3600=150 / hour Time 24 hrs 1 rotation per 24 hours

  9. Longitude (y axis) continued Memorize this Rotational rate =Distance=3600= 150 / hour Time 24 hrs Earth is broken into 24 equal time zones, all 150 apart with 1 hour difference Later Earlier

  10. Stop!

  11. Latitude / Longitude Intro BOTH sides: start with latitude and then…

  12. Latitude / Longitude Worksheet 03-2L

  13. Dividing degrees How many minutes in an hour? Guess what a degree is divided into (in latitude / longitude)? 60 minutes! How many seconds in a minute? Guess what a minute is divided into (in latitude / longitude)? 60 seconds!

  14. NYS Latitude / LongitudePage 3 ESRTs– RULER TIME See next page in your notes for reference See next page in your notes for reference See next page in your notes for reference

  15. Latitude / Longitude ctd Page 11 of your notes packet: Add the minutes and seconds you see below

  16. Latitude & Longitude – Southwestern United States

  17. Latitude / Longitude ctd Use page 3 of the ESRTs to complete the following table on PAGE 11 in your notes packet Syracuse Albany Mt. Marcy Binghamton Jamestown 400 50’ N 720 35’ W 420 N 740 20’ W 430 25’ N 760 25’ W 430 55’ N 750 55’ W 420 50’ N 780 50’ W

  18. Homework: Lat / Long Practice (18 – 30) Homework: Lat / Long Practice (18 – 30)

  19. Latitude / Longitude Lab Latitude / Longitude Lab Latitude / Longitude Lab

  20. Phone a friend at 6 am? Remember: Rotational rate = 150 / hour

  21. Longitude / Time Zone Problems Longitude / Time Zone Problems Longitude / Time Zone Problems Longitude / Time Zone Problems Longitude / Time Zone Problems

  22. Latitude / Longitude Lab – Reality Check Greenwich Mean Time (GMT) Greenwich Mean Time: the time in Greenwich, England from which all Longitude is calculated east & west of the Prime Meridian using 15o / hour of difference from GMT.

  23. Latitude / Longitude Lab – Reality Check 2o driving in North Dakota vs. Texas 2o = 2obut meridians (lines of longitude) are farther apart the closer to the Equator you are. Since Texas is closer to the Equator than South Dakota is so you would physically travel farther in Texas driving 2o east. *** LOOK AT THE GLOBES **

  24. Latitude / Longitude Lab – Reality Check • DESCRIBE how to use latitude and longitude • You would measure latitude north or south of the Equator in degrees (latitude is ALWAYS listed first) • then you would measure longitude east or west of the Prime Meridian in degrees • Latitude and longitude give the coordinates to pinpoint any location on Earth.

  25. Maps including Lat. / Long.

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