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Solar Energy

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by

Rafael Alcure

on 3 November 2013

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Transcript of Solar Energy

Solar Energy
Without the sun all living things in Earth would die. So let's think, if it is a source of energy and we need it to survive...
It is much easier to get energy.
Talking about Solar Panels
The Italian Antoine Cesar Becquerel invented the first Solar Panel. He was one of the smartest person in the world at that time.
The Solar Panel
5. How do solar electric panels work?
Solar electric panels are made up of something called silicon, the same thing that makes up sand. There is more silicon on the planet than almost anything else. Even though you can find silicon almost everywhere, making a solar panel is difficult and expensive. The silicon has to be heated to super high temperatures in a big factory, and then formed into very thin wafers.
When sunlight hits a solar panel, it makes electrons in the silicon move around. (Electrons are teeny tiny specks--they?re way too small for us to see, even under a microscope.) The electrons flow through wires that were built into the solar panel. And presto! We have electricity! We can do whatever we want with this electricity, run a calculator, a CD player, or, if we have big enough solar panels, a satellite! [Solar panels are also called photovoltaic panels. "Photo" means light and "voltaic" means electricity.
Solar Electric Panels
5. How do solar electric panels work?
Solar electric panels are made up of something called silicon, the same thing that makes up sand. There is more silicon on the planet than almost anything else. Even though you can find silicon almost everywhere, making a solar panel is difficult and expensive. The silicon has to be heated to super high temperatures in a big factory, and then formed into very thin wafers.
When sunlight hits a solar panel, it makes electrons in the silicon move around. (Electrons are teeny tiny specks--they?re way too small for us to see, even under a microscope.) The electrons flow through wires that were built into the solar panel. And presto! We have electricity! We can do whatever we want with this electricity, run a calculator, a CD player, or, if we have big enough solar panels, a satellite! [Solar panels are also called photovoltaic panels. "Photo" means light and "voltaic" means electricity.
How do solar electric panels work?
Solar electric panels are made up of something called silicon, the same thing that makes up sand. There is more silicon on the planet than almost anything else. Even though you can find silicon almost everywhere, making a solar panel is difficult and expensive. The silicon has to be heated to super high temperatures in a big factory, and then formed into very thin wafers.
When sunlight hits a solar panel, it makes electrons in the silicon move around. The electrons flow through wires that were built into the solar panel. And bam! We have electricity! We can do whatever we want with this electricity, run a calculator, a CD player, or, if we have big enough solar panels, a satellite!
Sun+Never-Ending=Reusable energy.
A wafer is a thin slice of semiconductor material, such as a silicon crystal, used in the fabrication of integrated circuits and other microdevices.
Then these the energy goes through a cable and it's there for you charge anything you want.
But be careful...
Solar power is energy from the sun. "Solar" is the Latin word for "sun" and it's a powerful source of energy. Without it, there will be no life.
The Sun
...
blablabla
If everyone used Solar Energy, energy would be something that would last forever, because the sun is a renewable energy.
Don't go well together.
By: Rafael.
Credits:
www.eschooltoday.com
kids.discovery.com
Full transcript