Essays on Magma

Corina De La Cerda Mr. Lee / science November 26 , 2011 1) What factors determine the type of volcanic eruption? Magma composition Magma temperature Amount of dissolved gases from the magma 2) List the materials ejected from volcanoes Lava, Broken rocks, Lava bombs, Fine ash, Dust, and Large amounts of gas 3) Describe the…

A vent is a blowhole in the Earth from which molten stone and gas erupt. The molten stone that erupts from the vent forms a hill or mountain around the blowhole. The lava may flux out as a syrupy liquid or it may detonate from the blowhole as solid or liquid atoms. Three basic stuffs…

Three Types of Rocks: There are three types of rocks and these three types of rocks are igneous, metamorphic, and sedimentary. These rocks all form differently. These rocks all can be made into another type of rock but they all are different and have probably been many different types of rocks. Igneous rocks form from…

The Lithosphere * The lithosphere is the hard shell of the Earth, consisting of the crust and the topmost part of the upper mantle. * It is a relatively thin layer, about 31 to 62 miles (50 to 100 km) thick under the oceans and 93 miles (150 km) thick on the continents. * It…

Plate tectonics are a relatively new theory that has revolutionized the way geologists think about the Earth. According to the theory, the surface of the Earth is broken into large plates. The size and position of these plates change over time. The hypothesis of continental drift was largely developed by the German Alfred Wegener The…