Parallels and meridians form an imaginary geographical network, in the form of a grid, which allows us to locate the exact position of any place in the world.
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The Equator is an imaginary circle around the widest part of the Earth. It is 40075 km long. It divides our planet into two equal halves or hemispheres, a Greek word meaning half a sphere. The top half is the Northern Hemisphere and the bottom half is the Southern Hemisphere.
The Equator is 0° latitude. After that, there are 90 parallels to the north and another 90 to the south.
Some of these parallels are very important. In the Northern Hemisphere, there is the Tropic of Cancer and the Arctic Circle.
The area between the Equator and the tropics (the Intertropical Convergence Zone) has low latitudes; the area between the tropics and the polar circles are medium latitudes and the area between the polar circles and the Poles has high latitudes.
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The prime meridian or Greenwich meridian is 0° longitude. It is named after the British observatory at Greenwich because the prime meridian runs through the observatory. This is the point of reference for all other meridians.
There are 180 main meridians to the east and another 180 to the west.
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Activity 13
Responde a las siguientes preguntas: (500 palabras máximo cada pregunta)
Activity 14
Look at the physical map of Spain. What latitude is the nothernmost point of the Iberian Peninsula? And the southernmost point of Spain? (hint: not just the peninsula!)
Activity 15
Responde a las siguientes preguntas: (500 palabras máximo cada pregunta)
Activity 16
Drag the coordinates onto the map where you think they should go.
Actividad 17
Responde a las siguientes preguntas: (500 palabras máximo cada pregunta)
