Six-part interdisciplinary teaching packet. Through the story of the 1980 eruption of Mount St. Helens, students will answer fundamental questions about volcanoes. By learning about volcanoes, students will understand that the Earth...

This interactive resource adapted from the National Park Service illustrates the difference between explosive and effusive volcanic eruptions, as well as the hazards that can result, including lahars, tsunamis, and lava flows.

Contains images, movies, panoramas, information, and history of the Mount St. Helens eruption (1980) as well information and images of the current state of the volcano.

Review volcanoes and volcanic eruptions using this brief review guide.

Mauna Loa means long mountain, and it is the largest and most active volcano on earth. Get some good overall facts regarding this infamous volcano.

This lesson will provide models or diagrams that explain how volcanic eruptions occur, and discuss their impact on living things. It is 2 of 5 in the series titled "Volcanoes."

[Free Registration/Login may be required to access all resource tools.] How scientists can predict volcanic eruptions.

[Free Registration/Login may be required to access all resource tools.] The composition of magma affects the type of volcanic eruption.

Learn about the effects of volcanic eruptions.

Types of volcanic eruptions are named after actual volcanoes. View the eruptions of these volcanoes.

Read about the eruption of Mt. St. Helen's. Includes first-hand descriptions by geologists. Also includes a table which lists other notable volcanic eruptions that have happened in the 20th century.

A full-featured investigation of volcanoes that answers questions about our ability to predict eruptions. Site begins with a review of the fundamentals (defines lava, magma, and related terms and describes how volcanoes form) and then...

Students can form conclusions about the location and formation of volcanoes by viewing pictures and maps. These pictures show eruptions, plumes of smoke, and an underwater volcano. The map shows the location of volcanoes in the Ring of...

Learn about the role volcanoes have played in shaping the Earth by engaging in interactive activities such as building a volcano or learning about the lava, water vapor, and gases that erupt from volcanoes.

Students observe an in-classroom visual representation of a volcanic eruption. The water-powered volcano demonstration is made in advance, using sand, hoses and a waterballoon, representing the main components of all volcanoes. During...

A slideshow of images shows how people in Indonesia have been affected by the recent eruption of a volcano.

Current activity among Alaska's volcanoes is reported at this detailed site. Kamchatka Peninsula's volcanoes also receive attention. Location of active and dormant volcanoes are plotted, images of activity are regularly updated via...

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

This is an online book about Hawaiian volcanoes. You can learn about the past, present and future of the Hawaiian volcanoes.

Explanation of the factors that result in the formation of volcanoes, some basic but helpful animations and photographs.

table of 20th century eruptions. The dates are in chronological order starting with the most recent. Each eruption has a link and a description.

Iceland has been on the watch for potential disaster caused by volcanic explosions. Read about the current risks and view video of the eruptions from the Bardarbunga volcano.

Learn how scientists measure the size of a volcanic eruption. After viewing a recreation of the volcanic eruption of Mount St. Helens, you will be challenged to rate it using the volcanic explosivity index (VEI).

Read an illustrated description of how an undersea volcanic eruption formed the Caribbean island of Montserrat. Includes a lengthy description of volcanic processes and defines many volcanic terms, such as lahar, tephra, and pyroclastic...