What's Living in Your Classroom?

Did you know that many living things are too small to see? That your classroom is home to millions of tiny organisms? That some of them helped to make your packed lunch? Discover your classroom through a powerful microscope and see tiny organisms as giant monsters. Find out how schoolbooks are being chewed up. Check out how colds and flu are passed among students. Learn about the thousands of tiny living things that are normally invisible to the naked eye--a world of hidden life.