Final conclusion: the last day

Today is our last day of this credit and these are the conclusions:
We learned lot of new vocabulary, different options for reciclying, reduce the ecological footprint... About the cooperation in group, too and use differents instruments to mesure the humidity, temperature, speed of the wind... This credit is very interesting and we enjoy it. We hope that it is of your pleasure this blog.

Reciclying oil

The other day, in class, we made soap with reciclying oil, NaOH, soap in powder, flour, hand soap and distillet water. We use paper of filtered to filtered the oil and then we put this oil in glass of precipitates. In other glass of precipitates we put distillet water and NaOH with spatula. We mixt. In the other glass of precipitates we put soap in powder, flour and hand soap and mixt. At the end we mixted all the solutions and put in a plate of Petri.