This document discusses radicalization and extremism through a lesson plan. It aims to teach students about the meaning of radicalization and extremism, reasons why people become radicalized, and what can be done if someone may be at risk of radicalization. The lesson defines key terms, discusses case studies of British citizens who joined extremist groups, explores the British values of democracy, individual liberty, mutual respect, tolerance and rule of law, and considers ways to challenge radicalization through discussion and role playing scenarios.