Lesson on search engines and keyword searches from Surfing the Net: Science. http://www.criticalthinking.com/surfing-the-net-science-book.html Surfing the Net: Science brings middle and upper elementary science to life! Each science concept is taught using free, engaging, Internet-based science resources (videos, articles, pictures, games, and diagrams) and reproducible worksheets that ensure an in-depth understanding of each science concept. Surfing the Net: Science also teaches students how to research information on the Internet to help them broaden their knowledge of the web as an information resource. The inquiry-based worksheets develop critical thinking skills to broaden depth of analysis. Activities can be teacher led instruction or student-guided instruction. Students may work individually, in pairs, or in groups to complete the lessons.