ake your students on a journey to the center of the Earth with this complete IB PYP Earth Science Unit of Inquiry. Perfect for the “How the World Works” theme, this transdisciplinary unit explores the dynamic processes that shape our planet—bringing plate tectonics, landforms, and natural forces to life through engaging, inquiry-based learning. Central Idea The Earth’s structure is constantly changing through processes and forces that can impact society. Lines of Inquiry The Earth's stru