miércoles, 20 de septiembre de 2017


OUR PLANET: THE EARTH.

The Earth has three layers: the geosphere,  the hydrosphere and the atmosphere.
The geosphere has three layers: the crust, the mantle and the core and remember, the crust and the outer layer of the mantle also form the lithosphere.

Image result for imagenes de las capas de la tierra


Conoce nuestro planeta:Las capas de la Tierra.



ROCKS AND MINERALS.




LAS ROCAS.

LOS MINERALES.

martes, 19 de septiembre de 2017