Plate Tectonics with Oreo Cookies | Geo Teaching Ideas |

The lithosphere (Earth's crust) is a hard, rigid plate on top of a softer molten layer known as the asthenosphere.  Sounds like an Oreo to me!  As a crude analogy that lets you bring food into the classroom, this lesson on plate boundaries sound like a winner.  For an academic article on how to use Oreo's to teach about Earth's crust, see:     

Via Seth Dixon