Hi! During the last few weeks we have been working with electricity, which is the force of moving electrons, and right now I will explain you some things that I learnt during this final term, my last term in technology.
First of all we are going to talk about the different ways to produce electrical energy. Like you should know these ways of producing energy are divided into nonrenewable and renewable ones, which are the ones that will last forever. Into the first group we can found nuclear energy, natural gas, oil and coal, between others. Nowadays the more used one is coal, but oil is nuclear energy is gaining power too (see graphic below). All of them are destroying our planet by the greenhouse effect, killing flora and fauna... For this reason, I think the best way of producing energy is throw renewable energy.
Renewable energy is the one that use natural resources to obtain energy. Inside this ecologic group we can find Tidal, Biomass, Geothermal, Solar, Wind and Hydraulic energy, all of them produced in different ways. The key is that in all this different methods, nonrenewable and renewable something is moving. Here I led you a video where all this information is well explained and detailed.
Nowadays there's a lot of innovations to do energy greener, one that cached my attention while I was searching information about this post was that some investigators are developing fuel cell technologies which will led us to transport vehicles only using oxygen and hydrogen and only releasing water and heat. Another new which I have been interested in is Solar panels located in the space which sent the energy again to the Earth.
During this term we have also been working with electricity bill, so I have seen how we can make it smaller every month. The more obvious one is to change all our bulbs into leds, which consume only 5 W comparing to the normal bulbs which consume, mines of course every bulb is different, over than 220 W. If you have already done that you can also use this other tip: programe your water heater to be only be working when you use it, it seems difficult but is not and you will safe a lot of energy because is the electric device that more consume of the whole house.
A fun idea that you can also take is to make a solar oven. What's that? Well is simply a insulated box which take all the heat of the sun and make your food. We did it and of course we had some problems, but when we found a good page where all was good explained it was so easy. We did it only with some carboard, plastic, black painting, glue and, finally, aluminium foil.
Now let's talk about technology, but in this case about the subject. Like you noticed during this year I have been doing this subject in English thanks to the British programe, and I really learnt a lot and we have been working with programes like kahoot, scratch, webnode, crocodile...
I think the thing I have enjoyed more are the Kahoots and maybe do the web page, however I also enjoyed the workshop unless the practic part. I think Kahoot is the programe I enjoyed more, in fact. In the other hand I didn't like the written project and of course the theoretic part, and personally the electric bill either. I think a thing that we have to improve is to do more work in the computer's room and bring the material to the workshop, but the teachers must change some things too, for example led us to bring our projects at home to finish them.
With all of that I want to finish this two years with this subject because next year I won't do it. Good bye everyone, good bye technology...
http://ed.fnal.gov/ntep/f98/projects/nrel_energy_2/energyproduction.html
http://ed.fnal.gov/ntep/f98/projects/nrel_energy_2/graphics/energyprod.gif
https://media.giphy.com/media/xT77XHIPBBGZL9m62I/giphy.gif
https://www.youtube.com/watch?v=krP7pvcFlDY
http://www.businessinsider.com/green-energy-innovations-change-the-world-2017-5
http://static1.businessinsider.com/image/59124009d9f406ce0c8b4d7c-480/solar-power.jpg
