Where is the coin? Why has this happened? Where is the coin going to go when adding water to the glass? A possible explanation: the angle of the light refraction does not let you see the coin.

Having as background the Aveiro saltpans and all the procedure for obtaining salt from them (evaporation of water), an experience was planned in order to study the effect of solar radiation on the evaporation rate. A saltpan was simulated in the lab, prepared in a dark room (without natural sunlight), and, with a floodlight, we simulated the sun. We varied the angle of incidence of the radiation in the saltpan and then we measured the temperature as well as the range of mass of the saltpan during a certain hiatus of incidence of the floodlight. In order to study the water evaporation rate with and without wind, a fan was used.  

This powerful film from MullenLowe London provocatively captures how, early on in their education, children already define career opportunities as male and female. When asked to draw a firefighter, surgeon and a fighter pilot, 61 pictures were drawn of men and only 5 were female.

Air is a gas and as such has the property of expanding, increasing its temperature, that is to say, increasing its volume and on the contrary, when this gas decreases its temperature, it tends to contract and with it to decrease its volume.

Mathematics are everywhere. Even in the fashion world. This is an example of a project where students analyse the reasons why clothes, bags and accesories are made of geomatric shapes, lines and mosaics

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In this section you can find different animations explaining the use of the tools that are provided by the VLE.