Energy Due to the great pollution that occurs in recent decades to the environment in most parts of the earth, and to the dangerous effects of this pollution on human life on the surface of the earth and its natural...
Solar Energy Solar energy (in English: Solar Energy) is one of the most abundant renewable energy sources in the world, and it is solar radiation that can be used for several things, the most important of which are: production of...
The sun The sun or the heart of the solar system, which is the star closest to Earth, is estimated at 26,000 light-years, and the age of this star is estimated at 4.5 billion years. The huge gravity in the...
Today you will learn about energy. G. is the ability to do work it takes energy to play to stand up. There are many types of energy which all fall into 2 primary types the energy of moving objects called the...