Everyday Mysteries

One person uses more than 20,000 sheets of toilet paper each year. That means a family of four uses more than 80,000 sheets. What happens to all that used tissue? Readers follow this and other waste through the toilet to discover this very answer. Full-color photographs and a simple graphic organizer aid readers’ understanding of this everyday process, including an accessible description of common waste management. Including a brief history of the toilet, the main content is written in accessible language for curious readers.