TABLE OF CONTENTS CHAPTER 1 The History of Toilets 4 CHAPTER 2 How Flushing Works 10 CHAPTER 3 After the Flush 16 ACTIVITIES TOOLS Try This 22 Glossary 23 Index 24 To Learn More 24
CHAPTER 1 THE HISTORY OF TOILETS We use toilets daily Waste is flushed away But what did people use before flushing toilets Ancient Greeks used latrines These were stone benches with holes People sat over the holes Waste dropped into a pit latrine
Ancient Romans built a sewer system Underground pipes carried waste away Some waste went into pits People scooped it out They spread it on crops Why It worked as a fertilizer sewer
