Volcanoes can be dormant for many years. But when the pressure builds, watch out! Eruptions can be a powerful blast or a slow ooze. Explore how volcanoes are formed and what causes an eruption.

 

This book is part of a book series called Time For Kids Nonfiction Readers .

. This book is part of a reading scheme, meaning that it is a book aimed at children who are learning to read.

There are 24 pages in this book. This book was published 2014 by Teacher Created Materials, Inc .