Basic Level

Web-based resources

How do solar panels work? – TED-Ed

https://www.youtube.com/watch?v=xKxrkht7CpY

Animated explanation of photovoltaic cells and electron flow.

Solar Photovoltaic Technology Basics – U.S. Department of Energy

https://www.energy.gov/eere/solar/solar-photovoltaic-technology-basics

Overview of PV technology and solar energy conversion.

PhET – Photoelectric Effect

https://phet.colorado.edu/en/simulations/photoelectric

Interactive exploration of photon energy and electron ejection.