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Latitude and longitude are essential imaginary lines that form a grid across our planet, helping us pinpoint exact locations on the Earth's surface. Latitude lines run parallel to the equator from East to West, while longitude lines span North to South, intersecting at the poles. The equator divides the Earth into Northern and Southern Hemispheres, and the prime meridian divides it into Eastern and Western Hemispheres. Each location is identified by coordinates in degrees, and knowing how to read these coordinates is crucial for navigation and understanding geography.
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Introduction • Lines of latitude and longitude are a grid of imaginary lines that cross the Earth. • These lines help us to find exact locations on the Earths surface. • Why do you think latitude and longitude are important?
Latitude • Lines of latitude run around the earth from East to West, parallel to the equator. • The equator is an imaginary line that runs around the center of the earth from East to West. (like the Earth’s belt)
Longitude • Lines of longitude run around the earth from North to South. These lines are not parallel and will intersect at the north and south poles. • The prime meridian is considered the center line in dealing with Longitude.
Hemispheres • The Earth is divided into four hemispheres. • The equator divides the earth into North and South hemispheres • The prime meridian divides the earth into East and West hemispheres.
Hemispheres • Every location on Earth will be located in exactly two hemispheres. • Which hemispheres are we in?
How to read coordinates • Latitude and longitude are expressed using coordinates. • Coordinates are two numbers expressed in degrees (⁰). • Example: 40⁰N, 30⁰W is read as 40 degrees North, 30 degrees West
How to read coordinates • Things to remember… • Latitude always comes first • Longitude always comes last Now Let’s Practice!