[Free Registration/Login may be required to access all resource tools.] This study guide summarizes key points about different types of volcanoes. Includes a few questions to check for understanding.

Explains different types of volcanoes and provides brief descriptions of active volcanoes around the world, including their histories of volcanic eruptions.

Great resource for learning all about tornadoes. Find out how they are formed, how they erupt, the different types, and notable volcanic eruptions. Also includes safety tips, animations, and activities.