Review#3 earth dimensions

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EARTH

EARTH

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  • 1. L.O: REVIEW EARTH’SSHAPE, LATITUDE andLONGITUDE
  • 2. The true shape of Earth is anoblate sphere.The earth is slightly flat at the polesand bulging at the equator.
  • 3. The true shape is an oblatesphere, but from space pictures itlooks like a perfect sphere.
  • 4. POLARIS the NORTH star is a starthat is ONLY seen in the northernhemisphere.
  • 5. POLARIS IS DIRECTLY OVER THE NORTHPOLE..
  • 6. ALL THE STARS APPEAR TO REVOLVEAROUND POLARIS AT A VELOCITY 15 PERHOUR.
  • 7. THE TWO POINTER STARS ON THE BIGDIPPER POINT TO POLARIS ON THEEND OF THE LITTLE DIPPER.
  • 8. In the northern hemisphere, POLARIS’altitude ALWAYS equals your latitude.
  • 9. WHAT IS THIS OBSERVER’S LATITUDE?
  • 10. 52 DEGREES NORTH
  • 11. AS your latitude INCREASES, thealtitude of Polaris ALSO INCREASES.
  • 12. the CHANGE IN THE altitude of Polarisis evidence that Earth is round.
  • 13. At the equator (zero degreeslatitude), Polar is at zero altitude.
  • 14. At the north pole (90 degrees latitude)Polaris’ altitude is also 90 degrees.
  • 15. What is one latitude if Polaris is at 45degrees?
  • 16. One’s latitude is also 45 degrees N
  • 17. On the regents, I will have todetermine the latitude andlongitudes of CITIES in NEW YORKSTATE and on other parts of EARTH.
  • 18. FINDING THE LATITUDES OF NEW YORKSTATES CITIES IS EASY. I CAN USE THE MAPON PAGE 3 OF THE ESRT.• LATITUDES IN NEWYORK STATE AREBETWEEN 41 N AND45N.• LONGITUDES IN NEWYORK STATE AREBETWEEN 72W AND 79W.
  • 19. ON THE REGENTS, I WILL HAVE TOFIND THE LATITUDE ANDLONGITUDE OF PLACES ON EARTH
  • 20. THE IMPORTANT LATITUDESTHE EQUATOR LATITUDE IS ZERO.NORTH POLE 90 NSOUTH POLE 90 S.
  • 21. LONGITUDE• EACH TIME ZONE IS 15 DEGREES WIDE.• EX: LOCATIONS WITH A 3 HOUR DIFFERENCEIN TIME ARE: 3 X 15 = 45 DEGREES APART.
  • 22. Open your green workbook to page204. complete typical latitude andlongitude questions.