Thursday, April 17, 2008

The Great Volcanoes by Zech Roberson

Zech had a report to do in his science class about volcanoes and after studying them, we made one and then caused the chemical reaction to make it explode. He was having a great time!




Boom! A volcano erupts with great force! When volcanoes were dirst discovered, people thought they were a work of their gods. There are over one thousand volcanoes in the world, even in outer space. One volcano on Mars is three times bigger than Mount Everest! Instead of just volcanoes on land and in space, there are some in water also. Mudflows and ashflows come in massive streams off volcanoes

There are different types of volcanoes, eruptions, and lava. The different types of volcanoes are Dome, ash-cinder, composite, shield, fissure, and caldera. A caldera is formed by an eruption when the top parts collapse. Volcanoes explode three different types of lava and they are called pahoehoe, Aa, and pillow. There are also different types of eruptions like plinian, effusive, strombolian, hydrovolcanic, and fissure.

In history you will find famous eruptions and volcanoes. The most famous volcanoes are Mt. St. Helens, Mt. Vesuvius, and Kileauleau. The infamous eruptions are Mt. Vesuvius on August 24, A.D. 79, Krakatau in 1883, Katmai in 1912, and Pinatubo in 1991. Vesuvius is the mos tperful volcano in history. My report was brief, and I know I used a rhyme, but please keep volcanoes safe through time!

by Zech Roberson

1 comment:

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