Presentation

The Planet Earth: oceans, seas and continents

Nearly ¾ (71%) of the Planet Earth is water (oceans, seas, etc.) The rest is formed of land masses called continents. Continents are separated by seas and oceans.

For this reason, not all geographers divide the continents in the same way. Some argue that there are only four continents, others that there are five and others believe that there are six.

But have there always been the same continents, seas and oceans on Earth? What are the current ones? Which seas and oceans are near to where you live? Can we help to improve the seas and oceans?

In the sequence of activities, we will answer all these questions.

Let’s go!

If you look closely at the image you will notice that the continents change colour, indicating the different ways of dividing and counting the continents. Click on the image to enlarge it. Source: http://upload.wikimedia.org/wikipedia/commons/thumb/7/77/Continental_models.gif/300px-Continental_models.gif

The Earth.

Europe.

Looking after the seas.

RESOURCES

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Resources

These are the IT resources that you will be using in this sequence:

Program or web service 2.0	Writer. Multiplatform word processor from the Open Office.org suite: http://es.openoffice.org/ Glogster. A tool for making posters: http://www.glogster.com/ GoogleMaps. A search engine for world geographical points: http://maps.google.es/
Web References	English dictionary: http://dictionary.cambridge.org/ Kalipedia. An updated digital thematic encyclopaedia, rigorous and reliable pedagogically, providing a response for compulsory education: http://www.kalipedia.com/ Climate change. An article by Greenpeace about the problems of global warming in relation to the seas and oceans: http://oceans.greenpeace.org/es/our-oceans/climate-change Rising sea levels will cause problems. An article about solutions that have been found to rising sea levels: http://lomas.excite.es/la-subida-del-nivel-del-mar-causara-problemas--N3120.html Global warming and rising ocean water levels. An article about what should be changed to prevent global warming and rising water levels in the oceans: http://www.actionbioscience.org/esp/ambiente/chanton.html 10 simple things you can do to improve beach water: http://www.nrdc.org/laondaverde/water/oceans/gcoastal.asp
Videos and animations	Continent Formation. A 3 minute long video that explains the theory of the formation of continents and oceans today from one continent, Pangea: http://www.youtube.com/watch?v=9yQGtHvhmPs Change for the oceans: http://www.youtube.com/watch?v=hnh5PVMj8BU

Index

The Planet Earth: oceans, seas and continents

Credits

DIRECTOR: Narcís Vives
COLLABORATORS:

EXECUTIVE PRODUCER: Antonio Cara
CONTENT MANAGERS: Mª Cristina Pérez and Magdalena Garzón
COORDINATOR OF THE NATURAL AND SOCIAL SCIENCE AREAS: Elena Anguera
TECHNICAL DIRECTOR: Maite Vílchez
AUTHOR: Albert Barnils Castany
CORRECTORS OF STYLE CASTELLANO VERSION: Anna Betriu and Joan Martín
BASQUE ADAPTATION: Bakun itzulpen eta argitalpen zerbitzuak, s.l.
ENGLISH ADAPTATION: Sarah Richards
LAYOUT: Maite Vílchez and Miquel Gordillo