Investigate medical research in producing (culturing) artificial organs, such as livers, on silicon chips. Test how the surface coating of a substrate affects the success of a biofilm.

Learners learn about current electricity and necessary conditions for the existence of an electric current. Students construct a simple electric circuit and a galvanic cell to help them understand voltage, current and resistance.

The lesson will first explore the concept of current in electrical circuits. Current will be defined as the flow of electrons. Photovoltaic (PV) cell properties will then be introduced. This will lead to the principle of "Conservation of...