Description In this book, vibrant, full-color photos, diagrams, and carefully leveled text will engage beginning readers as they learn how earthquakes happen...A picture diagram details and labels the steps, while a picture glossary reinforces new vocabulary. Children can learn more about earthquakes online using our safe search engine that provides relevant, age-appropriate websites. What Causes an Earthquake? also features reading tips for teachers and parents, a table of contents, and an index...What Causes an Earthquake? is part of Jump!'s Science Questions series.