The objective of this lecture is to present some scientific facts about terrorism, so that teachers can educate the next generation, to understand terrorism and help to prevent terrorism. This is a template lecture for teachers. Please feel free to add or take out any slides. For example, you might want to include information about terrorism in your country, rather than the examples used in this lecture. The lecture is designed to be apolitical. The objectives are to 1) provide information to students about terrorism in general, 2) to show that terrorism has had a long history, 3) to demonstrate that terrorism has taken place in all areas of the world and 4 to demonstrate that terrorism although scaring many people is very rare. We must be concerned about terrorism, however, we cannot be paralyzed due to fear.