Young geologists piece together the puzzle of plate tectonics in an earth science lesson. Given a physical map of the world, they search for land formations that indicate the location of different types of plate boundaries.

Did you know there are 20 volcanoes erupting at any given time? Pupils look at various igneous rocks, read local geologic maps, and determine if their area has a history of volcanic activity. A reading passage and analysis questions...

[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.

A reference page describing the different types of volcanoes.

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

A concise explanation of the three types of volcanoes recognized by geologists.

[Free Registration/Login may be required to access all resource tools.] Covers volcanoes, and the different types of eruptions that can occur from them.

Illustrated resource explores how volcanoes are formed and the different types of volcanoes.

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.

Succinct descriptions of the different kinds of volcanoes, with additional links for each.

How long does it take a volcano to grow? What are the different types of lava? What's a lava tube? All of these questions are addressed by this resource.

Study the different eruption styles with this reference page that discusses the characteristics of the eruption styles.

Hazards of different types affecting areas of varying size are assessed in California, Seattle, Hawaii and elsewhere.