In this lesson, students learn about the impact and identification of fake news, including how it can lead to misunderstandings and harmful actions. The instructor explains how misinformation, such as during the COVID-19 pandemic, can be used to manipulate public opinion and behavior for personal gain, like selling products. Emphasis is placed on evaluating the credibility of sources and understanding the tactics fake news sites use to appear legitimate, such as mimicking well-known outlets like USA Today.