Readers will trace the history of key discoveries in earth and space science as they investigate timelines and gather key details from the text. In doing so, students will make connections between the work of various scientists and analyze the long-term effects of their discoveries.

Table of Contents

• INTRODUCTION
• 1 EVOLUTION OF THE ARCH
• 2 PRINTING SPREADS THE WORD
• 3 FULL STEAM AHEAD
• 4 COUNTING BOARDS TO COMPUTERS
• YOUR TURN ON THE TIMELINE
• SOURCE NOTES
• GLOSSARY
• SELECTED BIBLIOGRAPHY
• FURTHER INFORMATION