Clever! Earth science learners construct a model of a planet containing a magnetic core. The planet, Terrabagga, is made out of a paper grocery bag, magnets, a dead D battery, and rubber bands. Pictures of each step of the construction...

Young scholars create a 3D vector field map of an electric field. In this physics lesson, students measure the voltage inside an aquarium with water. They present their findings and map to class..

Students work in pairs to construct a simple stereoscope.