chapter 4:Rocks
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| about __ minerals make up make up most of earth's crust. these minerals are known as _______ _______,___________ | rock-forming minerals
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| a rocks color provides clues to the rocks________ ________. | mineral composition
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| geologists observe the _______ and the ________ of crystals in a rock to identify the minerals that the rock contains. | shape and color
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| most rock are made up od particles of minerals or other ocks which geologist call___________. ________ give the rock texture. | grains
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| ________ is the look and felling of the rocks surface | texture
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| igneous rocks form from ________ and ________ | magma and lava
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| igneous rocks are classified according to their__________,___________ and _________ __________ | origin texture and mineral composition
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| ___________ igneous rocks is formed from lava the erupted onto the earth's surface | extrusive
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| ___________ igneous rocks is formed from magma that hardened beaneath earth's surface | intrusive
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| people through out history have used igneous rocks for _______ and ________ _________ | tools and building materials
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| examples of ignous rocks are ________,_________,_________ and _________ | basalt granite obsidian and pumice
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| sedimentary rock forms when particles of other rocks or the remains of plants and animals are _________ and _________ together. | pressed and cemented
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| most sedimentary rocks are formed through a series od processes ________,_______ ______ and ________ | erosion deposition compaction and cementation
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| when studying a rock sample geologists observe the rocks _______,________,_________ | mineral composition,color,texture
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| ____ are made up of mixtures of minerals and other materials | rocks
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