1.
A device that converts sunlight directly into electricity is a ______ cell.
2.
The primary element used to make solar cells is ______.
3.
What do we call a group of solar panels connected together?
4.
Solar ______ systems use mirrors to focus sunlight to boil water.
5.
Particles of light that carry solar energy are called ______.
6.
A building design that uses windows and walls to trap heat without fans is ______ solar.
7.
Solar energy originates from nuclear ______ in the sun’s core.
8.
A ______ heater uses sunlight to provide warm water for homes.
9.
The flow of electricity produced by solar cells is usually ______ current.
10.
A device that converts DC from solar panels into AC for home use is an ______.
11.
Large-scale solar installations are often called solar ______.
12.
The material that allows electricity to flow in a solar cell is a ______.
13.
______ is the amount of solar radiation reaching a given area.
14.
An object that absorbs solar heat and stores it is called ______ mass.
15.
Solar energy is considered ______ because it produces no carbon emissions during use.