Plate Tectonics

• Plate Tectonics in a Nutshell (shows best diagram)
• Natural Hazards (revisions and tests)
• Earth Floor: Plate Tectonics
• The action is at the edges! (US Nationan Park Service)

Volcanoes

• Morphed Eruption of Mt. St. Helens (video on YouTube)
• Hawaii’s Spectacular Volcano Eruptions (video on YouTube)
• Geography Lesson: What is a Volcano? (video on YouTube)
• Volcanoes and volcanic activity (BBC Bitesize)
• Types of volcano hazards (U.S. Geological Survey)
• Geologic Hazards at Volcanoes (poster, pdf file)
• Volcanic ash (U.S. Geological Survey)
• Protect Yourself from Volcanic Ash (pdf file)