Volcano Info	EnchantedLearning.com Volcano		Volcano Activities and Printouts
	Types of Volcanoes	The Ring of Fire

The area encircling the Pacific Ocean is called the "Ring of Fire," because its edges mark a circle of high volcanic and seismic activity (earthquakes). Most of the active volcanoes on Earth are located on this circumference. On the periphery of the Pacific Ocean, the edge of the Pacific Continental Plate is expanding in the seabed, and is hitting the North American Plate, the Nazca Plate, the Eurasian Plate, and other plates, causing the margins of the plates to collide, buckle, and compress, causing earthquakes and volcanoes.

The Movement of Continental Plates:
When two continental plates collide (at a convergent plate boundary like the Ring of Fire), some crust is destroyed in the impact and the plates become smaller. The results differ, depending upon what types of plates are involved.

• Oceanic Plate and Continental Plate - When a thin, dense oceanic plate collides with a relatively light, thick continental plate, the oceanic plate is forced under the continental plate; this phenomenon is called subduction.
• Two Oceanic Plates - When two oceanic plates collide, one may be pushed under the other and magma from the mantle rises, forming undersea volcanoes in the vicinity.

Related Pages:

Ring of Fire: Outline Map Printout An outline map of the Ring of Fire to print. The Ring of Fire is the seismically active area on the margins of the Pacific Ocean.

Ring of Fire Map: Label Me! Printout Label the oceans and continents surrounding the Ring of Fire. Answers

Ring of Fire Continental Plates Map: Label Me! Printout Label the continental plates near the Ring of Fire. Answers

Continental Plates and Plate Tectonics Read about the plates of crust that cover the surface of the Earth and how they move.

Subduction (Plate Divergence) Label the subduction of an oceanic plate under a continental plate (plate convergence). Answers

Volcano Printout Color a volcano and read about them.

Volcano Quiz Printout Answer 10 multiple choice questions on volcanos. Answers

Label a Volcano Diagram: A Printout Label the lava, vent, conduit, crater, magma chamber, ash cloud and crust. Answers

Volcano: Cloze Activity Printout Fill in the blanks (using a word bank) in an essay about volcanos. Answers

Make a Volcano Create an erupting volcano with clay, baking soda, and vinegar.

Volcano Info	EnchantedLearning.com Volcano		Volcano Activities and Printouts
	Types of Volcanoes	The Ring of Fire

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