EL EFECTO INVERNADERO

El efecto invernadero es in fenómeno causado por los gases de la atmósfera. Estos gases mantienen el calor de la superficie terrestre. Sin estos gases, la Tierra sería un lugar demasiado frío para poder vivir en ella.

La contaminación hace que aumente el efecto invernadero, lo cual, a su vez, aumenta la temperatura de la Tierra.


http://es.slideshare.net/julinjulin/explicacin-del-efecto-invernadero-jmfv



Al aumentar la temperatura de la Tierra, llamada "Calentamiento Global", se están produciendo cambios importantes en el clima, al cual se le ha dado el nombre de "Cambio climático". En esta presentación y en el vídeo que están a continuación se explica con detalle en qué consisten:


http://es.slideshare.net/marjoriejennifer/calentamiento-global-23254506

https://www.youtube.com/watch?v=6RtHJdYO5Y0

THE EARTH'S ATMOSPHERE

The atmosphere is the great layer of air that surrounds the Earth. It has several layers:

1) TROPOSPHERE: it is 15 kilometres high. It is formed by oxygen, nitrogen and other gases.
2) STRATOSPHER: it contains the ozone layer. Ozone absorbs dangerous radiation from the Sun.
3) OUTER LAYERS: there three outer layers:

                                    - Mesosphere
                                    - Termosphere
                                    - Exosphere


CLICK ON THE LINK:

http://www.slideshare.net/EvaGarcia88/layers-of-the-earths-atmosphere

Do you want to play? Click on the link below:

http://www.purposegames.com/game/layers-of-atmosphere-game

http://world-geography-games.com/atmosphere.html

                                  

USES OF MATERIALS

We can use materials for:

1) For building use.

2) For decoration use.

3) For industrial use.

4) As an energy source.

EXTRACTING MINERALS FORM THE EARTH'S CRUST 

 A deposit is an area where there are rocks and minerals.

 

There are three types of extracting minerals:

1) OPEN MINES: minerals are taken by cutting the mountains.

2) UNDERGROUND MINES: minerals are under the ground.

3) DRILLING: humans make holes in the ground to take liquids o gases.

Rocas y minerales from Eva Garcia

THE LITHOSPHERE

The lithosphere is the solid, outer part of the Earth.

 


It can be divided into Oceanic crust and Continental crust.








1) Oceanic crust is the solid part covered by the water of the oceans. There are five oceans: 

    - Atlantic.
    - Pacific.
    - Indian.
    - Artic.
    - Southern.





2) Continental crust: it is the soild part that forms the continents. There are five continents: 

     - Europe.
     - Asia.
     - Africa.
     - America.
     - Oceania.

For more information,click on the links below:

http://www.kidsgeo.com/geography-for-kids/0134-the-earths-oceans.php

http://www.ducksters.com/geography/oceans.php


https://www.sheppardsoftware.com/World_Continents.htm

SOCIAL SCIENCE

THE LITHOSPHERE

There are three layers in the Earth:

1) The core: it is the inner layer. It is made up of lava and magma.
2) The mantle:it is the middle layer. It is made up of magma and rocks.
3) The crust:it is the surface of the Earth. It is made up of rocks and soil.

DO YOU WANT TO PLAY? CLICK ON THE LINK BELOW!

http://www.wartgames.com/themes/science/layers.html

FOR MORE INFORMATION...

http://easyscienceforkids.com/all-about-earths-layers/