Keeping a baked potato hot

Thermal insulation, thermal conduction, conduction, convection, radiation, keeping warm, keeping cold. Framework to design an experiment to test which materials would keep a baked potato hot based on interactive simulation. (BBC interactive software) Use to prompt discussion and ideas for experimental design. If you don't have Promethean software download viewer from: http://support.prometheanplanet.com/server.php?show=nav.15853 Please leave feedback. Recycle equipment and books no longer needed to schoolaid.