You can watch the videos on these two links. This videos show the internal layers of the Earth, how earthquakes are formed, volcanoes and how rocks are formed.
This second video is about transformation of the metamorphic rocks.
To revise everything we learnt in class we are going to do this quizz. It’s very easy and you know how it works.
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This is a really nice video about nutrients. How do they work and why do we need them for.
These are some photos of our practice with rocks and minerals of this week.
And, do you remember the minerals and rocks?
Whit this link you will be able to know most of the different properties that minerals have. You can try the activities if you want to be the best scientific but of course this is just an example of exercise to understand the lesson.
Nicolas Cebreiro has done this mind map for us. Good Job!!! Clic on the image to enlarge
Clic on it, You just see one part of the diagram and use your mouse to travel through it, you can zoom or go to any category or arrows to revise the information.Use the scroll of you mouse. You can print and glue it on your class notebook. With this tool you can export the document to a photo or pdf. If you want the pdf done just clic here.
The tool to do this is 
SCIENCE LINKS
RINCON DE LA CLASE. CLASS CORNER 