Modeling Planetary Interiors and Differentiation
http://www.lpi.usra.edu/education/workshops/unknownMoon/Tuesday/Activity_Differentiation_Planetary_Interiors.pdf


In this activity from USRA's Lunar and Planetary Institute, learners model the interior structure of the terrestrial planets and the process of differentiation using solids and liquids of different densities.

This resource is referenced here: