domingo, 25 de diciembre de 2011
martes, 20 de diciembre de 2011
viernes, 16 de diciembre de 2011
jueves, 15 de diciembre de 2011
miércoles, 14 de diciembre de 2011
Ecosystems. Information lesson 4
Click on the drawing to get the information for partents of this lesson.
lunes, 12 de diciembre de 2011
Silvia's Plants and roots growing
SILVIA'S PLANTS
Did you realize that this is a magic plant?
SCIENCE it's written on it!
This is the experiment with the roots. Let's see how they grow
miércoles, 7 de diciembre de 2011
lunes, 5 de diciembre de 2011
sábado, 3 de diciembre de 2011
Naica Crystal Cave. Mexico
One of the world's most spectacular geographical discoveries was the cave of giant crystals with its selenite crystals of a size never seen before. most of them measure six meters in length, with some of them reaching eleven meters.
The temperature at this depth varies from 45°C to 50°C, while the percentage of humidity ranges from 90 to 100%, meaning that human beings cannot survive there for longer than two hours
The temperature at this depth varies from 45°C to 50°C, while the percentage of humidity ranges from 90 to 100%, meaning that human beings cannot survive there for longer than two hours