There are three Scolar Information Sheets covering this area for Key Stage 2. They are:- The Photovoltaic (PV) System PV modules - What are they? PV material Alternatively, you can jump ahead to any of these Information sheets:- Photovoltaics - How does it work? Photovoltaics - When and where is it used? Perhaps though you're in the wrong area - maybe you should try Key Stage 3 or Key Stage 4