Presentation

At the start of this video, click on “Spanish” in the menu “Caption settings” for Spanish subtitles. Watch the video as many times as you want.

How can we locate where we are on the Earth? We need a point of reference. Imaginary lines of latitude and longitude are drawn on maps to describe where places are on Earth. In the video the Equator and Greenwich Meridian lines are yellow.

The lines of latitude are parallel circles that go horizontally around the Earth. They indicate the position north or south of the Equator The Equator is the middle line that divides the Earth into two equal parts.

The lines of longitude go vertically from pole to pole. They indicate the position east or west of the Greenwich Meridian. The world’s time zones are set from here.

In the following activities we are going to:

learn more about terrestrial coordinates
find out about a human invention which can locate any point on the planet
learn about different monuments -and make a recording in Google Earth.

Are you ready? Let’s get started!

The GPS ( Global Positioning System).

A trip around the world.

Presentation and evaluation of the recordings.

RESOURCES

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Resources

In this sequence we will be using:

A word processor	Open Office: Writer http://es.openoffice.org/
Other applications	Google Earth which allows you to travel virtually using satellite imagery, maps, terrain and 3D buildings. http://earth.google.es/
Web References	Activity: latitude, longitude and time zones. Here you will find an activity to help you understand the concepts of longitude and latitude using a world map: http://www.k12science.org/curriculum/musicalplates3/es/actividad_latylong.shtml Where in the World am I? http://www.ciese.org/ciberaprendiz/latylong/latylong.htm An explication about the concepts of longitude and latitude with animated images to understand the use of (+) and (-). Unesco. http://whc.unesco.org/en/list. To find out more about the monuments which have been declared World Heritage Sites. Why is it called the Greenwich Meridian? If you want to know why it has this name and a little more about it’s history then visit this website : http://eloviparo.wordpress.com/2010/02/16/el-meridiano-de-greenwich/
Other resources	Microphone.

Index

Terrestrial Coordinates: exploring Planet Earth