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Chapter 5-1 Elsakka

Classifying Rocks

QuestionAnswer
what are rocks made of? mixtures of minerals and other materials (p147, figure 2)
What is the main way geologists study rocks? Geolodists classify rocks according to how the rock form(the rocks origin)
what is the 3 major groups of rock? igneous, sedimentary, and metamorphic rock
what is igneous rock? It forms from the cooling of molten material-either magma or lava.
What is sedimentary rock? Forms when particles of other rock or the remains od plants and animals are pressed and cemented together.
What is metamorphic rock? formed when am existing rock is changed bye heat, pressure, or chemical reactions(most form deep underground)
What type of rock is most likly to have a fossil? Why? Sedimentary rock because sedimentary rock forms from the remains of dead plants and animals cemented together.
Created by: puppydogx05 on 2009-11-17



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