Students use a fun size Milky Way candy bar to represent the motion at the three plate boundary types and the landforms/geological activity associated with each. Activity includes opportunity for students to draw diagrams to represent each plate boundary, describe plate motion, and label landforms/geological activity. Also includes essential questions and a summarizing chart. Key Included. Key vocabulary includes: lithosphere, asthenosphere, tectonic plate, plate boundary, convergent plate boundary, divergent plate boundary, transform plate boundary, subduction zone, folded mountain, mid-ocean ridge, trench, volcanic mountains, volcanic island arcs, fault, and earthquakes.