If you have ever had your class interrupted by a thunderstorm or by a bug crawling across the carpet, you know that students naturally question the world around them. This lesson encourages students to ask questions about a specific topic, choose a particular question to explore in detail, and research the question using a variety of resources. Students organize their information on a "What we think we know," "What we have confirmed we know," and "New facts we have learned through research" (TCF) chart. They then collaborate to write a class scientific explanation.