BELL RINGER 2/6/2013BELL RINGER 2/6/2013 Include date, question and answer on Include date, question and answer on

your bell ringer! your bell ringer!

**Earth Science CROSSWORD Due!****Earth Science CROSSWORD Due!**

What are the 4 major spheres of the Earth?What are the 4 major spheres of the Earth? Geosphere (AKA: Lithosphere)Geosphere (AKA: Lithosphere)

AtmosphereAtmosphere BiosphereBiosphere

HydrosphereHydrosphere

““A Way To Find Where You Are A Way To Find Where You Are on the on the

GLOBE!” GLOBE!”

Latitude and Longitude RapLatitude and Longitude Rap

http://www.youtube.com/watch?v=-0c1idtn3e8

GlobesGlobes

Model of EarthModel of Earth GoodGood for viewing how continents and for viewing how continents and

oceans really are.oceans really are. BadBad because they don’t show enough detail because they don’t show enough detail

to give directionsto give directions

MapsMaps

Flat representation of Earth’s surfaceFlat representation of Earth’s surface GoodGood for showing detail and directions for showing detail and directions BadBad because it distorts the appearance of because it distorts the appearance of

the continentsthe continents

Short Latitude/Longitude VideoShort Latitude/Longitude Video

http://www.youtube.com/watch?v=-0c1idtn3e8

Latitude & Longitude CoordinatesLatitude & Longitude Coordinates

• Imaginary lines Imaginary lines that make it easy that make it easy to find a location to find a location on a map. on a map.

LatitudeLatitude

A Sphere may be cut in Half  A Sphere may be cut in Half  Horizontally Creating 2 HemispheresHorizontally Creating 2 Hemispheres

..

The Dividing Line

The Imaginary Dividing Line is Called  The Imaginary Dividing Line is Called  the Equatorthe Equator

Equator - 0° Latitude

Northern & Southern HemispheresNorthern & Southern Hemispheres

Latitude lines above the Latitude lines above the equator are called equator are called

north latitude north latitude (in the (in the northern northern hemisphere)hemisphere)

Those below the Those below the equator are called equator are called

south latitude.south latitude.

(Southern Hemisphere)(Southern Hemisphere)

Remembering LatitudeRemembering Latitude

1)The horizontal lines 1)The horizontal lines are are parallelsparallels of of latitude. latitude.

2) They look like the 2) They look like the rungs on a ladder rungs on a ladder (the part you step on). (the part you step on).

3) 3) LAT is FLATLAT is FLAT!!!!!!

LatitudeLatitude

Gives the Gives the location of a location of a place north or place north or south of the south of the equator equator measured from measured from 0° to 90° 0° to 90°

LatitudeLatitude

The The North PoleNorth Pole is  is 90° North90° North Latitude.  Latitude. 

The The equatorequator is at  is at 0°0° latitude. latitude. 

    

LLOONNGGIITTUUDDEE

““Things That Make You Go Things That Make You Go

HMMMMM?”HMMMMM?”

LongitudeLongitudeMeasurement of distance in Measurement of distance in

degrees east or west of the degrees east or west of the prime meridian. prime meridian.

If a Sphere is Cut in Half Vertically, the If a Sphere is Cut in Half Vertically, the Western & Eastern Hemispheres are Western & Eastern Hemispheres are

CreatedCreated

The Dividing Line

The Imaginary Dividing Line is The Imaginary Dividing Line is Called the Prime MeridianCalled the Prime Meridian

Prime Meridian

0° Longitude0° Longitude

Prime Meridian

Prime MeridianPrime MeridianThe prime The prime

meridian goes meridian goes through through Greenwich, Greenwich, England at 0° England at 0° Longitude Longitude

Eastern & Western HemispheresEastern & Western Hemispheres Longitude meridians to the Longitude meridians to the

left of the prime meridian left of the prime meridian are called are called west west longitude. longitude.

They are in the They are in the western western hemisphere. hemisphere.

Those to the right of the Those to the right of the prime meridian are called prime meridian are called east longitude. east longitude.

TheyThey are in the are in the eastern eastern hemispherehemisphere

Remembering LongitudeRemembering Longitude

• Longitude Longitude meridians are meridians are allall

long.long. They do They do not change in not change in size. size.

• CONVERGE CONVERGE at poles!at poles!

StepsSteps

1.1. Check whether it’s in the northern or Check whether it’s in the northern or southern hemisphere. southern hemisphere.

2.2. Determine its latitude. Determine its latitude.

3.3. Check whether it’s in the eastern or Check whether it’s in the eastern or western hemisphere. western hemisphere.

4.4. Determine its longitude. Determine its longitude.

Now you’re ready to practice Now you’re ready to practice latitude & longitude on your own!latitude & longitude on your own!

It’s All About Latitude, Longitude It’s All About Latitude, Longitude Baby!Baby!

BELL RINGER 9/11/2012BELL RINGER 9/11/2012 Include date, question and answer on Include date, question and answer on

your bell ringer! your bell ringer!

What are the degrees latitude/longitude What are the degrees latitude/longitude for the following?for the following?– North PoleNorth Pole

– South PoleSouth Pole

– EquatorEquator

– Prime MeridianPrime Meridian

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