Solar Energy

3. ______ is the amount of solar radiation reaching a given area.
4. The primary element used to make solar cells is ______.
6. Large-scale solar installations are often called solar ______.
8. A ______ heater uses sunlight to provide warm water for homes.
9. An object that absorbs solar heat and stores it is called ______ mass.
11. The material that allows electricity to flow in a solar cell is a ______.
12. A building design that uses windows and walls to trap heat without fans is ______ solar.
13. What do we call a group of solar panels connected together?

1. Particles of light that carry solar energy are called ______.
2. A device that converts sunlight directly into electricity is a ______ cell.
5. A device that converts DC from solar panels into AC for home use is an ______.
6. Solar energy originates from nuclear ______ in the sun’s core.
7. The flow of electricity produced by solar cells is usually ______ current.
9. Solar ______ systems use mirrors to focus sunlight to boil water.
10. Solar energy is considered ______ because it produces no carbon emissions during use.