Solar Energy. By: Mayra Portillo Febuary18,2011 Block 1.2. What is Solar Energy?. Solar energy is when the sun radiates an enormous amount of energy. It is made up of gas. Solar energy travels to Earth in rays. http://graphics8.nighttimes.com/images/blogs/greeninc/arizonasun.jpg.
By: Mayra Portillo
It is free
In sunny countries,solar power is used where there is no electricity.
Doesn’t work at night.
Solar panels are very expensive.
A little bit of electricity.