solar+energy-textbookinfo

Solar energy uses the limitless energy of the sun. The enrgy can provide heat and electricity. Passive solar heating systems are designed to collect and store solar energy. Active solar heatng systems have three parts, a solar collector absorbing all of the heat which goes to a storage area, then the storage area stores the heat till the heat is needed. Third, a system moves the heat throughtout the whole building. This method can also be used to heat water and cool the building, and on the building to keep the building warm, they install windows to let heat seek through but cannot escape. The winds Solar Cells also known as photovoltaic cells, these cells have been used to generate electricity for spacecrafts. they have been used since the start space age. Solar cells convert sunlight into electricity. Solar cells can lead power up to millions of watts of electrical power. Some people put solar panels on their rooftops. It is common in some areas f our country. Some houses and building have certain marterial on the walls on the outside of it that heaqt up easily from the sunlight and it transfers the heat inside the building to keep it warm.

dave